Home / 411,227.76-616,759.02-144,999.12

Finding the Fourth Proportional to 411,227.76, 616,759.02 and 144,999.12

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Solution

The fourth proportional to 411,227.76, 616,759.02 and 144,999.12 is: 217,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,227.76 : 616,759.02 = 144,999.12 : x
  2. Step 2: Convert to fraction form
    411,227.76/616,759.02 = 144,999.12/x
  3. Step 3: Cross multiply
    411,227.76x = 616,759.02 × 144,999.12
  4. Step 4: Simplify right side
    411,227.76x = 89,429,515,152.06
  5. Step 5: Solve for x
    x = 89,429,515,152.06/411,227.76
  6. Step 6: Final answer
    x = 217,469.55

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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.