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Finding the Fourth Proportional to 299,384.76, 448,983.68 and 99,658.46

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Solution

The fourth proportional to 299,384.76, 448,983.68 and 99,658.46 is: 149,456.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,384.76 : 448,983.68 = 99,658.46 : x
  2. Step 2: Convert to fraction form
    299,384.76/448,983.68 = 99,658.46/x
  3. Step 3: Cross multiply
    299,384.76x = 448,983.68 × 99,658.46
  4. Step 4: Simplify right side
    299,384.76x = 44,745,022,113.93
  5. Step 5: Solve for x
    x = 44,745,022,113.93/299,384.76
  6. Step 6: Final answer
    x = 149,456.58

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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.