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Finding the Fourth Proportional to 316,925.28, 437,248.26 and 180,861

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Solution

The fourth proportional to 316,925.28, 437,248.26 and 180,861 is: 249,526.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,925.28 : 437,248.26 = 180,861 : x
  2. Step 2: Convert to fraction form
    316,925.28/437,248.26 = 180,861/x
  3. Step 3: Cross multiply
    316,925.28x = 437,248.26 × 180,861
  4. Step 4: Simplify right side
    316,925.28x = 79,081,157,551.86
  5. Step 5: Solve for x
    x = 79,081,157,551.86/316,925.28
  6. Step 6: Final answer
    x = 249,526.19

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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.