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Finding the Fourth Proportional to 222,773.23, 307,443.35 and 127,277.87

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Solution

The fourth proportional to 222,773.23, 307,443.35 and 127,277.87 is: 175,652.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,773.23 : 307,443.35 = 127,277.87 : x
  2. Step 2: Convert to fraction form
    222,773.23/307,443.35 = 127,277.87/x
  3. Step 3: Cross multiply
    222,773.23x = 307,443.35 × 127,277.87
  4. Step 4: Simplify right side
    222,773.23x = 39,130,734,097.28
  5. Step 5: Solve for x
    x = 39,130,734,097.28/222,773.23
  6. Step 6: Final answer
    x = 175,652.77

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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.