Home / 222,778.35-307,405.80-127,291.23

Finding the Fourth Proportional to 222,778.35, 307,405.80 and 127,291.23

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Solution

The fourth proportional to 222,778.35, 307,405.80 and 127,291.23 is: 175,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,778.35 : 307,405.80 = 127,291.23 : x
  2. Step 2: Convert to fraction form
    222,778.35/307,405.80 = 127,291.23/x
  3. Step 3: Cross multiply
    222,778.35x = 307,405.80 × 127,291.23
  4. Step 4: Simplify right side
    222,778.35x = 39,130,062,391.13
  5. Step 5: Solve for x
    x = 39,130,062,391.13/222,778.35
  6. Step 6: Final answer
    x = 175,645.71

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.