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Finding the Fourth Proportional to 292,253.94, 438,507.20 and 157,160.11

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Solution

The fourth proportional to 292,253.94, 438,507.20 and 157,160.11 is: 235,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,253.94 : 438,507.20 = 157,160.11 : x
  2. Step 2: Convert to fraction form
    292,253.94/438,507.20 = 157,160.11/x
  3. Step 3: Cross multiply
    292,253.94x = 438,507.20 × 157,160.11
  4. Step 4: Simplify right side
    292,253.94x = 68,915,839,084.42
  5. Step 5: Solve for x
    x = 68,915,839,084.42/292,253.94
  6. Step 6: Final answer
    x = 235,808.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.