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Finding the Fourth Proportional to 254,802.62, 382,209.34 and 92,691.20

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Solution

The fourth proportional to 254,802.62, 382,209.34 and 92,691.20 is: 139,038.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,802.62 : 382,209.34 = 92,691.20 : x
  2. Step 2: Convert to fraction form
    254,802.62/382,209.34 = 92,691.20/x
  3. Step 3: Cross multiply
    254,802.62x = 382,209.34 × 92,691.20
  4. Step 4: Simplify right side
    254,802.62x = 35,427,442,375.81
  5. Step 5: Solve for x
    x = 35,427,442,375.81/254,802.62
  6. Step 6: Final answer
    x = 139,038.77

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1.5x scale

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.