Home / 348,235.20-521,575.20-268,725.60

Finding the Fourth Proportional to 348,235.20, 521,575.20 and 268,725.60

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Solution

The fourth proportional to 348,235.20, 521,575.20 and 268,725.60 is: 402,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,235.20 : 521,575.20 = 268,725.60 : x
  2. Step 2: Convert to fraction form
    348,235.20/521,575.20 = 268,725.60/x
  3. Step 3: Cross multiply
    348,235.20x = 521,575.20 × 268,725.60
  4. Step 4: Simplify right side
    348,235.20x = 140,160,608,565.12
  5. Step 5: Solve for x
    x = 140,160,608,565.12/348,235.20
  6. Step 6: Final answer
    x = 402,488.34

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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.