Home / 330,254.46-455,755.14-187,010.82

Finding the Fourth Proportional to 330,254.46, 455,755.14 and 187,010.82

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Solution

The fourth proportional to 330,254.46, 455,755.14 and 187,010.82 is: 258,077.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,254.46 : 455,755.14 = 187,010.82 : x
  2. Step 2: Convert to fraction form
    330,254.46/455,755.14 = 187,010.82/x
  3. Step 3: Cross multiply
    330,254.46x = 455,755.14 × 187,010.82
  4. Step 4: Simplify right side
    330,254.46x = 85,231,142,450.61
  5. Step 5: Solve for x
    x = 85,231,142,450.61/330,254.46
  6. Step 6: Final answer
    x = 258,077.19

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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.