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Finding the Fourth Proportional to 615,167.96, 922,800.25 and 165,882.06

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Solution

The fourth proportional to 615,167.96, 922,800.25 and 165,882.06 is: 248,836.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,167.96 : 922,800.25 = 165,882.06 : x
  2. Step 2: Convert to fraction form
    615,167.96/922,800.25 = 165,882.06/x
  3. Step 3: Cross multiply
    615,167.96x = 922,800.25 × 165,882.06
  4. Step 4: Simplify right side
    615,167.96x = 153,076,006,438.52
  5. Step 5: Solve for x
    x = 153,076,006,438.52/615,167.96
  6. Step 6: Final answer
    x = 248,836.12

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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.