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Finding the Fourth Proportional to 542,417.60, 813,480.60 and 226,809.20

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Solution

The fourth proportional to 542,417.60, 813,480.60 and 226,809.20 is: 340,152.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,417.60 : 813,480.60 = 226,809.20 : x
  2. Step 2: Convert to fraction form
    542,417.60/813,480.60 = 226,809.20/x
  3. Step 3: Cross multiply
    542,417.60x = 813,480.60 × 226,809.20
  4. Step 4: Simplify right side
    542,417.60x = 184,504,884,101.52
  5. Step 5: Solve for x
    x = 184,504,884,101.52/542,417.60
  6. Step 6: Final answer
    x = 340,152.83

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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.