Home / 361,118.97-498,505.12-238,685.11

Finding the Fourth Proportional to 361,118.97, 498,505.12 and 238,685.11

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Solution

The fourth proportional to 361,118.97, 498,505.12 and 238,685.11 is: 329,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,118.97 : 498,505.12 = 238,685.11 : x
  2. Step 2: Convert to fraction form
    361,118.97/498,505.12 = 238,685.11/x
  3. Step 3: Cross multiply
    361,118.97x = 498,505.12 × 238,685.11
  4. Step 4: Simplify right side
    361,118.97x = 118,985,747,559.79
  5. Step 5: Solve for x
    x = 118,985,747,559.79/361,118.97
  6. Step 6: Final answer
    x = 329,491.82

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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.