Home / 331,432.96-457,379.20-180,529.92

Finding the Fourth Proportional to 331,432.96, 457,379.20 and 180,529.92

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Solution

The fourth proportional to 331,432.96, 457,379.20 and 180,529.92 is: 249,132.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,432.96 : 457,379.20 = 180,529.92 : x
  2. Step 2: Convert to fraction form
    331,432.96/457,379.20 = 180,529.92/x
  3. Step 3: Cross multiply
    331,432.96x = 457,379.20 × 180,529.92
  4. Step 4: Simplify right side
    331,432.96x = 82,570,630,385.66
  5. Step 5: Solve for x
    x = 82,570,630,385.66/331,432.96
  6. Step 6: Final answer
    x = 249,132.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.