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Finding the Fourth Proportional to 475,781.22, 656,597.04 and 260,929.11

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Solution

The fourth proportional to 475,781.22, 656,597.04 and 260,929.11 is: 360,092.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,781.22 : 656,597.04 = 260,929.11 : x
  2. Step 2: Convert to fraction form
    475,781.22/656,597.04 = 260,929.11/x
  3. Step 3: Cross multiply
    475,781.22x = 656,597.04 × 260,929.11
  4. Step 4: Simplify right side
    475,781.22x = 171,325,281,275.83
  5. Step 5: Solve for x
    x = 171,325,281,275.83/475,781.22
  6. Step 6: Final answer
    x = 360,092.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.