Home / 329,398.18-494,126.45-92,742.91

Finding the Fourth Proportional to 329,398.18, 494,126.45 and 92,742.91

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Solution

The fourth proportional to 329,398.18, 494,126.45 and 92,742.91 is: 139,122.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,398.18 : 494,126.45 = 92,742.91 : x
  2. Step 2: Convert to fraction form
    329,398.18/494,126.45 = 92,742.91/x
  3. Step 3: Cross multiply
    329,398.18x = 494,126.45 × 92,742.91
  4. Step 4: Simplify right side
    329,398.18x = 45,826,724,880.97
  5. Step 5: Solve for x
    x = 45,826,724,880.97/329,398.18
  6. Step 6: Final answer
    x = 139,122.58

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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.