Home / 331,630.12-457,649.58-180,727

Finding the Fourth Proportional to 331,630.12, 457,649.58 and 180,727

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Solution

The fourth proportional to 331,630.12, 457,649.58 and 180,727 is: 249,403.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,630.12 : 457,649.58 = 180,727 : x
  2. Step 2: Convert to fraction form
    331,630.12/457,649.58 = 180,727/x
  3. Step 3: Cross multiply
    331,630.12x = 457,649.58 × 180,727
  4. Step 4: Simplify right side
    331,630.12x = 82,709,635,644.66
  5. Step 5: Solve for x
    x = 82,709,635,644.66/331,630.12
  6. Step 6: Final answer
    x = 249,403.27

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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.