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Finding the Fourth Proportional to 603,386.92, 905,197.02 and 229,380.76

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Solution

The fourth proportional to 603,386.92, 905,197.02 and 229,380.76 is: 344,115.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,386.92 : 905,197.02 = 229,380.76 : x
  2. Step 2: Convert to fraction form
    603,386.92/905,197.02 = 229,380.76/x
  3. Step 3: Cross multiply
    603,386.92x = 905,197.02 × 229,380.76
  4. Step 4: Simplify right side
    603,386.92x = 207,634,780,397.34
  5. Step 5: Solve for x
    x = 207,634,780,397.34/603,386.92
  6. Step 6: Final answer
    x = 344,115.48

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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.