Home / 330,441.12-456,026.76-187,229.07

Finding the Fourth Proportional to 330,441.12, 456,026.76 and 187,229.07

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Solution

The fourth proportional to 330,441.12, 456,026.76 and 187,229.07 is: 258,386.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,441.12 : 456,026.76 = 187,229.07 : x
  2. Step 2: Convert to fraction form
    330,441.12/456,026.76 = 187,229.07/x
  3. Step 3: Cross multiply
    330,441.12x = 456,026.76 × 187,229.07
  4. Step 4: Simplify right side
    330,441.12x = 85,381,466,169.91
  5. Step 5: Solve for x
    x = 85,381,466,169.91/330,441.12
  6. Step 6: Final answer
    x = 258,386.32

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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.