Home / 329,581.61-494,370.95-140,012.89

Finding the Fourth Proportional to 329,581.61, 494,370.95 and 140,012.89

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Solution

The fourth proportional to 329,581.61, 494,370.95 and 140,012.89 is: 210,018.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,581.61 : 494,370.95 = 140,012.89 : x
  2. Step 2: Convert to fraction form
    329,581.61/494,370.95 = 140,012.89/x
  3. Step 3: Cross multiply
    329,581.61x = 494,370.95 × 140,012.89
  4. Step 4: Simplify right side
    329,581.61x = 69,218,303,505.55
  5. Step 5: Solve for x
    x = 69,218,303,505.55/329,581.61
  6. Step 6: Final answer
    x = 210,018.71

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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.