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Finding the Fourth Proportional to 268,881, 403,293.56 and 168,744.35

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Solution

The fourth proportional to 268,881, 403,293.56 and 168,744.35 is: 253,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,881 : 403,293.56 = 168,744.35 : x
  2. Step 2: Convert to fraction form
    268,881/403,293.56 = 168,744.35/x
  3. Step 3: Cross multiply
    268,881x = 403,293.56 × 168,744.35
  4. Step 4: Simplify right side
    268,881x = 68,053,506,781.20
  5. Step 5: Solve for x
    x = 68,053,506,781.20/268,881
  6. Step 6: Final answer
    x = 253,098.98

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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.