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Finding the Fourth Proportional to 499,341.72, 749,201.10 and 299,801.19

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Solution

The fourth proportional to 499,341.72, 749,201.10 and 299,801.19 is: 449,814.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,341.72 : 749,201.10 = 299,801.19 : x
  2. Step 2: Convert to fraction form
    499,341.72/749,201.10 = 299,801.19/x
  3. Step 3: Cross multiply
    499,341.72x = 749,201.10 × 299,801.19
  4. Step 4: Simplify right side
    499,341.72x = 224,611,381,329.31
  5. Step 5: Solve for x
    x = 224,611,381,329.31/499,341.72
  6. Step 6: Final answer
    x = 449,814.97

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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.