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Finding the Fourth Proportional to 302,376.07, 453,456.05 and 99,934.72

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Solution

The fourth proportional to 302,376.07, 453,456.05 and 99,934.72 is: 149,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,376.07 : 453,456.05 = 99,934.72 : x
  2. Step 2: Convert to fraction form
    302,376.07/453,456.05 = 99,934.72/x
  3. Step 3: Cross multiply
    302,376.07x = 453,456.05 × 99,934.72
  4. Step 4: Simplify right side
    302,376.07x = 45,316,001,755.74
  5. Step 5: Solve for x
    x = 45,316,001,755.74/302,376.07
  6. Step 6: Final answer
    x = 149,866.36

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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.