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Finding the Fourth Proportional to 382,248.48, 573,174.48 and 171,706.56

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Solution

The fourth proportional to 382,248.48, 573,174.48 and 171,706.56 is: 257,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,248.48 : 573,174.48 = 171,706.56 : x
  2. Step 2: Convert to fraction form
    382,248.48/573,174.48 = 171,706.56/x
  3. Step 3: Cross multiply
    382,248.48x = 573,174.48 × 171,706.56
  4. Step 4: Simplify right side
    382,248.48x = 98,417,818,240.59
  5. Step 5: Solve for x
    x = 98,417,818,240.59/382,248.48
  6. Step 6: Final answer
    x = 257,470.79

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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.