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Finding the Fourth Proportional to 342,230.60, 513,864.30 and 263,433.80

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Solution

The fourth proportional to 342,230.60, 513,864.30 and 263,433.80 is: 395,549.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,230.60 : 513,864.30 = 263,433.80 : x
  2. Step 2: Convert to fraction form
    342,230.60/513,864.30 = 263,433.80/x
  3. Step 3: Cross multiply
    342,230.60x = 513,864.30 × 263,433.80
  4. Step 4: Simplify right side
    342,230.60x = 135,369,225,233.34
  5. Step 5: Solve for x
    x = 135,369,225,233.34/342,230.60
  6. Step 6: Final answer
    x = 395,549.74

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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.