Home / 329,261.15-493,891.61-92,603.76

Finding the Fourth Proportional to 329,261.15, 493,891.61 and 92,603.76

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Solution

The fourth proportional to 329,261.15, 493,891.61 and 92,603.76 is: 138,905.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,261.15 : 493,891.61 = 92,603.76 : x
  2. Step 2: Convert to fraction form
    329,261.15/493,891.61 = 92,603.76/x
  3. Step 3: Cross multiply
    329,261.15x = 493,891.61 × 92,603.76
  4. Step 4: Simplify right side
    329,261.15x = 45,736,219,655.43
  5. Step 5: Solve for x
    x = 45,736,219,655.43/329,261.15
  6. Step 6: Final answer
    x = 138,905.61

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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.