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Finding the Fourth Proportional to 468,909.84, 702,240.89 and 240,604.66

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Solution

The fourth proportional to 468,909.84, 702,240.89 and 240,604.66 is: 360,330.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,909.84 : 702,240.89 = 240,604.66 : x
  2. Step 2: Convert to fraction form
    468,909.84/702,240.89 = 240,604.66/x
  3. Step 3: Cross multiply
    468,909.84x = 702,240.89 × 240,604.66
  4. Step 4: Simplify right side
    468,909.84x = 168,962,431,604.73
  5. Step 5: Solve for x
    x = 168,962,431,604.73/468,909.84
  6. Step 6: Final answer
    x = 360,330.31

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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.