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Finding the Fourth Proportional to 382,185.19, 573,290.75 and 101,702.71

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Solution

The fourth proportional to 382,185.19, 573,290.75 and 101,702.71 is: 152,557.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,185.19 : 573,290.75 = 101,702.71 : x
  2. Step 2: Convert to fraction form
    382,185.19/573,290.75 = 101,702.71/x
  3. Step 3: Cross multiply
    382,185.19x = 573,290.75 × 101,702.71
  4. Step 4: Simplify right side
    382,185.19x = 58,305,222,892.93
  5. Step 5: Solve for x
    x = 58,305,222,892.93/382,185.19
  6. Step 6: Final answer
    x = 152,557.52

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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.