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Finding the Fourth Proportional to 454,241.32, 626,844.90 and 253,033

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Solution

The fourth proportional to 454,241.32, 626,844.90 and 253,033 is: 349,181.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,241.32 : 626,844.90 = 253,033 : x
  2. Step 2: Convert to fraction form
    454,241.32/626,844.90 = 253,033/x
  3. Step 3: Cross multiply
    454,241.32x = 626,844.90 × 253,033
  4. Step 4: Simplify right side
    454,241.32x = 158,612,445,581.70
  5. Step 5: Solve for x
    x = 158,612,445,581.70/454,241.32
  6. Step 6: Final answer
    x = 349,181.02

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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.