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Finding the Fourth Proportional to 477,937.52, 716,908.10 and 193,633.39

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Solution

The fourth proportional to 477,937.52, 716,908.10 and 193,633.39 is: 290,450.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,937.52 : 716,908.10 = 193,633.39 : x
  2. Step 2: Convert to fraction form
    477,937.52/716,908.10 = 193,633.39/x
  3. Step 3: Cross multiply
    477,937.52x = 716,908.10 × 193,633.39
  4. Step 4: Simplify right side
    477,937.52x = 138,817,345,721.46
  5. Step 5: Solve for x
    x = 138,817,345,721.46/477,937.52
  6. Step 6: Final answer
    x = 290,450.82

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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.