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Finding the Fourth Proportional to 416,891.02, 625,332 and 101,348.26

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Solution

The fourth proportional to 416,891.02, 625,332 and 101,348.26 is: 152,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,891.02 : 625,332 = 101,348.26 : x
  2. Step 2: Convert to fraction form
    416,891.02/625,332 = 101,348.26/x
  3. Step 3: Cross multiply
    416,891.02x = 625,332 × 101,348.26
  4. Step 4: Simplify right side
    416,891.02x = 63,376,310,122.32
  5. Step 5: Solve for x
    x = 63,376,310,122.32/416,891.02
  6. Step 6: Final answer
    x = 152,021.29

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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.