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Finding the Fourth Proportional to 542,109.60, 813,164.40 and 353,152.80

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Solution

The fourth proportional to 542,109.60, 813,164.40 and 353,152.80 is: 529,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,109.60 : 813,164.40 = 353,152.80 : x
  2. Step 2: Convert to fraction form
    542,109.60/813,164.40 = 353,152.80/x
  3. Step 3: Cross multiply
    542,109.60x = 813,164.40 × 353,152.80
  4. Step 4: Simplify right side
    542,109.60x = 287,171,284,720.32
  5. Step 5: Solve for x
    x = 287,171,284,720.32/542,109.60
  6. Step 6: Final answer
    x = 529,729.20

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Similar ratio
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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.