Home / 222,869.37-307,484.92-127,308.40

Finding the Fourth Proportional to 222,869.37, 307,484.92 and 127,308.40

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Solution

The fourth proportional to 222,869.37, 307,484.92 and 127,308.40 is: 175,642.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,869.37 : 307,484.92 = 127,308.40 : x
  2. Step 2: Convert to fraction form
    222,869.37/307,484.92 = 127,308.40/x
  3. Step 3: Cross multiply
    222,869.37x = 307,484.92 × 127,308.40
  4. Step 4: Simplify right side
    222,869.37x = 39,145,413,189.33
  5. Step 5: Solve for x
    x = 39,145,413,189.33/222,869.37
  6. Step 6: Final answer
    x = 175,642.86

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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.