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Finding the Fourth Proportional to 451,440.77, 676,683.72 and 166,948.52

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Solution

The fourth proportional to 451,440.77, 676,683.72 and 166,948.52 is: 250,246.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,440.77 : 676,683.72 = 166,948.52 : x
  2. Step 2: Convert to fraction form
    451,440.77/676,683.72 = 166,948.52/x
  3. Step 3: Cross multiply
    451,440.77x = 676,683.72 × 166,948.52
  4. Step 4: Simplify right side
    451,440.77x = 112,971,342,178.68
  5. Step 5: Solve for x
    x = 112,971,342,178.68/451,440.77
  6. Step 6: Final answer
    x = 250,246.21

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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.