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Finding the Fourth Proportional to 542,154.94, 748,190.22 and 300,414.89

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Solution

The fourth proportional to 542,154.94, 748,190.22 and 300,414.89 is: 414,581.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,154.94 : 748,190.22 = 300,414.89 : x
  2. Step 2: Convert to fraction form
    542,154.94/748,190.22 = 300,414.89/x
  3. Step 3: Cross multiply
    542,154.94x = 748,190.22 × 300,414.89
  4. Step 4: Simplify right side
    542,154.94x = 224,767,483,384.30
  5. Step 5: Solve for x
    x = 224,767,483,384.30/542,154.94
  6. Step 6: Final answer
    x = 414,581.64

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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.