Home / 372,272.20-558,408.30-147,686.20

Finding the Fourth Proportional to 372,272.20, 558,408.30 and 147,686.20

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Solution

The fourth proportional to 372,272.20, 558,408.30 and 147,686.20 is: 221,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,272.20 : 558,408.30 = 147,686.20 : x
  2. Step 2: Convert to fraction form
    372,272.20/558,408.30 = 147,686.20/x
  3. Step 3: Cross multiply
    372,272.20x = 558,408.30 × 147,686.20
  4. Step 4: Simplify right side
    372,272.20x = 82,469,199,875.46
  5. Step 5: Solve for x
    x = 82,469,199,875.46/372,272.20
  6. Step 6: Final answer
    x = 221,529.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.