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Finding the Fourth Proportional to 284,707.75, 392,901.37 and 169,996.42

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Solution

The fourth proportional to 284,707.75, 392,901.37 and 169,996.42 is: 234,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,707.75 : 392,901.37 = 169,996.42 : x
  2. Step 2: Convert to fraction form
    284,707.75/392,901.37 = 169,996.42/x
  3. Step 3: Cross multiply
    284,707.75x = 392,901.37 × 169,996.42
  4. Step 4: Simplify right side
    284,707.75x = 66,791,826,313.10
  5. Step 5: Solve for x
    x = 66,791,826,313.10/284,707.75
  6. Step 6: Final answer
    x = 234,597.85

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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.