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Finding the Fourth Proportional to 361,660.20, 542,490.30 and 346,302.60

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Solution

The fourth proportional to 361,660.20, 542,490.30 and 346,302.60 is: 519,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,660.20 : 542,490.30 = 346,302.60 : x
  2. Step 2: Convert to fraction form
    361,660.20/542,490.30 = 346,302.60/x
  3. Step 3: Cross multiply
    361,660.20x = 542,490.30 × 346,302.60
  4. Step 4: Simplify right side
    361,660.20x = 187,865,801,364.78
  5. Step 5: Solve for x
    x = 187,865,801,364.78/361,660.20
  6. Step 6: Final answer
    x = 519,453.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.