Home / 489,847.59-676,023.02-272,081.16

Finding the Fourth Proportional to 489,847.59, 676,023.02 and 272,081.16

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Solution

The fourth proportional to 489,847.59, 676,023.02 and 272,081.16 is: 375,490.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,847.59 : 676,023.02 = 272,081.16 : x
  2. Step 2: Convert to fraction form
    489,847.59/676,023.02 = 272,081.16/x
  3. Step 3: Cross multiply
    489,847.59x = 676,023.02 × 272,081.16
  4. Step 4: Simplify right side
    489,847.59x = 183,933,129,838.56
  5. Step 5: Solve for x
    x = 183,933,129,838.56/489,847.59
  6. Step 6: Final answer
    x = 375,490.53

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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.