Home / 442,445.12-662,142.56-271,553.28

Finding the Fourth Proportional to 442,445.12, 662,142.56 and 271,553.28

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Solution

The fourth proportional to 442,445.12, 662,142.56 and 271,553.28 is: 406,393.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,445.12 : 662,142.56 = 271,553.28 : x
  2. Step 2: Convert to fraction form
    442,445.12/662,142.56 = 271,553.28/x
  3. Step 3: Cross multiply
    442,445.12x = 662,142.56 × 271,553.28
  4. Step 4: Simplify right side
    442,445.12x = 179,806,983,995.60
  5. Step 5: Solve for x
    x = 179,806,983,995.60/442,445.12
  6. Step 6: Final answer
    x = 406,393.87

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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.