Home / 272,445.14-408,683.06-82,911.68

Finding the Fourth Proportional to 272,445.14, 408,683.06 and 82,911.68

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Solution

The fourth proportional to 272,445.14, 408,683.06 and 82,911.68 is: 124,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,445.14 : 408,683.06 = 82,911.68 : x
  2. Step 2: Convert to fraction form
    272,445.14/408,683.06 = 82,911.68/x
  3. Step 3: Cross multiply
    272,445.14x = 408,683.06 × 82,911.68
  4. Step 4: Simplify right side
    272,445.14x = 33,884,596,634.17
  5. Step 5: Solve for x
    x = 33,884,596,634.17/272,445.14
  6. Step 6: Final answer
    x = 124,372.18

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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.