Home / 330,480.91-456,064.11-187,250.62

Finding the Fourth Proportional to 330,480.91, 456,064.11 and 187,250.62

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Solution

The fourth proportional to 330,480.91, 456,064.11 and 187,250.62 is: 258,406.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,480.91 : 456,064.11 = 187,250.62 : x
  2. Step 2: Convert to fraction form
    330,480.91/456,064.11 = 187,250.62/x
  3. Step 3: Cross multiply
    330,480.91x = 456,064.11 × 187,250.62
  4. Step 4: Simplify right side
    330,480.91x = 85,398,287,357.25
  5. Step 5: Solve for x
    x = 85,398,287,357.25/330,480.91
  6. Step 6: Final answer
    x = 258,406.11

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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.