Home / 461,203.60-636,364.20-280,010.92

Finding the Fourth Proportional to 461,203.60, 636,364.20 and 280,010.92

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Solution

The fourth proportional to 461,203.60, 636,364.20 and 280,010.92 is: 386,356.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,203.60 : 636,364.20 = 280,010.92 : x
  2. Step 2: Convert to fraction form
    461,203.60/636,364.20 = 280,010.92/x
  3. Step 3: Cross multiply
    461,203.60x = 636,364.20 × 280,010.92
  4. Step 4: Simplify right side
    461,203.60x = 178,188,925,097.06
  5. Step 5: Solve for x
    x = 178,188,925,097.06/461,203.60
  6. Step 6: Final answer
    x = 386,356.32

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1.5x scale

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.