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Finding the Fourth Proportional to 542,112.08, 748,131.08 and 300,372.04

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Solution

The fourth proportional to 542,112.08, 748,131.08 and 300,372.04 is: 414,522.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,112.08 : 748,131.08 = 300,372.04 : x
  2. Step 2: Convert to fraction form
    542,112.08/748,131.08 = 300,372.04/x
  3. Step 3: Cross multiply
    542,112.08x = 748,131.08 × 300,372.04
  4. Step 4: Simplify right side
    542,112.08x = 224,717,658,687.00
  5. Step 5: Solve for x
    x = 224,717,658,687.00/542,112.08
  6. Step 6: Final answer
    x = 414,522.51

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1.5x scale

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.