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Finding the Fourth Proportional to 296,658.64, 444,676.92 and 138,754

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Solution

The fourth proportional to 296,658.64, 444,676.92 and 138,754 is: 207,985.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,658.64 : 444,676.92 = 138,754 : x
  2. Step 2: Convert to fraction form
    296,658.64/444,676.92 = 138,754/x
  3. Step 3: Cross multiply
    296,658.64x = 444,676.92 × 138,754
  4. Step 4: Simplify right side
    296,658.64x = 61,700,701,357.68
  5. Step 5: Solve for x
    x = 61,700,701,357.68/296,658.64
  6. Step 6: Final answer
    x = 207,985.52

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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.