Home / 636,975.76-955,464.36-163,665.04

Finding the Fourth Proportional to 636,975.76, 955,464.36 and 163,665.04

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Solution

The fourth proportional to 636,975.76, 955,464.36 and 163,665.04 is: 245,497.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,975.76 : 955,464.36 = 163,665.04 : x
  2. Step 2: Convert to fraction form
    636,975.76/955,464.36 = 163,665.04/x
  3. Step 3: Cross multiply
    636,975.76x = 955,464.36 × 163,665.04
  4. Step 4: Simplify right side
    636,975.76x = 156,376,112,697.97
  5. Step 5: Solve for x
    x = 156,376,112,697.97/636,975.76
  6. Step 6: Final answer
    x = 245,497.74

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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.