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Finding the Fourth Proportional to 342,823.60, 514,235.40 and 254,468.80

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Solution

The fourth proportional to 342,823.60, 514,235.40 and 254,468.80 is: 381,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,823.60 : 514,235.40 = 254,468.80 : x
  2. Step 2: Convert to fraction form
    342,823.60/514,235.40 = 254,468.80/x
  3. Step 3: Cross multiply
    342,823.60x = 514,235.40 × 254,468.80
  4. Step 4: Simplify right side
    342,823.60x = 130,856,865,155.52
  5. Step 5: Solve for x
    x = 130,856,865,155.52/342,823.60
  6. Step 6: Final answer
    x = 381,703.20

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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.