Home / 330,001.45-455,402.19-179,098.45

Finding the Fourth Proportional to 330,001.45, 455,402.19 and 179,098.45

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Solution

The fourth proportional to 330,001.45, 455,402.19 and 179,098.45 is: 247,155.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,001.45 : 455,402.19 = 179,098.45 : x
  2. Step 2: Convert to fraction form
    330,001.45/455,402.19 = 179,098.45/x
  3. Step 3: Cross multiply
    330,001.45x = 455,402.19 × 179,098.45
  4. Step 4: Simplify right side
    330,001.45x = 81,561,826,665.82
  5. Step 5: Solve for x
    x = 81,561,826,665.82/330,001.45
  6. Step 6: Final answer
    x = 247,155.96

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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.