Home / 330,026.75-455,438.13-179,123.75

Finding the Fourth Proportional to 330,026.75, 455,438.13 and 179,123.75

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Solution

The fourth proportional to 330,026.75, 455,438.13 and 179,123.75 is: 247,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,026.75 : 455,438.13 = 179,123.75 : x
  2. Step 2: Convert to fraction form
    330,026.75/455,438.13 = 179,123.75/x
  3. Step 3: Cross multiply
    330,026.75x = 455,438.13 × 179,123.75
  4. Step 4: Simplify right side
    330,026.75x = 81,579,785,738.59
  5. Step 5: Solve for x
    x = 81,579,785,738.59/330,026.75
  6. Step 6: Final answer
    x = 247,191.43

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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.