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Finding the Fourth Proportional to 542,064.32, 812,949.60 and 226,455.20

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Solution

The fourth proportional to 542,064.32, 812,949.60 and 226,455.20 is: 339,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,064.32 : 812,949.60 = 226,455.20 : x
  2. Step 2: Convert to fraction form
    542,064.32/812,949.60 = 226,455.20/x
  3. Step 3: Cross multiply
    542,064.32x = 812,949.60 × 226,455.20
  4. Step 4: Simplify right side
    542,064.32x = 184,096,664,257.92
  5. Step 5: Solve for x
    x = 184,096,664,257.92/542,064.32
  6. Step 6: Final answer
    x = 339,621.44

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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.