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Finding the Fourth Proportional to 490,488.86, 735,747.06 and 135,502.94

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Solution

The fourth proportional to 490,488.86, 735,747.06 and 135,502.94 is: 203,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,488.86 : 735,747.06 = 135,502.94 : x
  2. Step 2: Convert to fraction form
    490,488.86/735,747.06 = 135,502.94/x
  3. Step 3: Cross multiply
    490,488.86x = 735,747.06 × 135,502.94
  4. Step 4: Simplify right side
    490,488.86x = 99,695,889,726.36
  5. Step 5: Solve for x
    x = 99,695,889,726.36/490,488.86
  6. Step 6: Final answer
    x = 203,258.21

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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.