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Finding the Fourth Proportional to 296,079.61, 444,073.09 and 96,398.66

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Solution

The fourth proportional to 296,079.61, 444,073.09 and 96,398.66 is: 144,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,079.61 : 444,073.09 = 96,398.66 : x
  2. Step 2: Convert to fraction form
    296,079.61/444,073.09 = 96,398.66/x
  3. Step 3: Cross multiply
    296,079.61x = 444,073.09 × 96,398.66
  4. Step 4: Simplify right side
    296,079.61x = 42,808,048,597.69
  5. Step 5: Solve for x
    x = 42,808,048,597.69/296,079.61
  6. Step 6: Final answer
    x = 144,582.90

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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.