Home / 449,116.55-619,697.91-255,512.95

Finding the Fourth Proportional to 449,116.55, 619,697.91 and 255,512.95

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Solution

The fourth proportional to 449,116.55, 619,697.91 and 255,512.95 is: 352,560.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,116.55 : 619,697.91 = 255,512.95 : x
  2. Step 2: Convert to fraction form
    449,116.55/619,697.91 = 255,512.95/x
  3. Step 3: Cross multiply
    449,116.55x = 619,697.91 × 255,512.95
  4. Step 4: Simplify right side
    449,116.55x = 158,340,839,543.69
  5. Step 5: Solve for x
    x = 158,340,839,543.69/449,116.55
  6. Step 6: Final answer
    x = 352,560.69

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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.