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Finding the Fourth Proportional to 283,353.60, 424,833.12 and 125,496.48

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Solution

The fourth proportional to 283,353.60, 424,833.12 and 125,496.48 is: 188,157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,353.60 : 424,833.12 = 125,496.48 : x
  2. Step 2: Convert to fraction form
    283,353.60/424,833.12 = 125,496.48/x
  3. Step 3: Cross multiply
    283,353.60x = 424,833.12 × 125,496.48
  4. Step 4: Simplify right side
    283,353.60x = 53,315,061,147.42
  5. Step 5: Solve for x
    x = 53,315,061,147.42/283,353.60
  6. Step 6: Final answer
    x = 188,157.35

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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.