Home / 209,772.20-314,308.38-147,330.92

Finding the Fourth Proportional to 209,772.20, 314,308.38 and 147,330.92

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Solution

The fourth proportional to 209,772.20, 314,308.38 and 147,330.92 is: 220,750.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,772.20 : 314,308.38 = 147,330.92 : x
  2. Step 2: Convert to fraction form
    209,772.20/314,308.38 = 147,330.92/x
  3. Step 3: Cross multiply
    209,772.20x = 314,308.38 × 147,330.92
  4. Step 4: Simplify right side
    209,772.20x = 46,307,342,789.11
  5. Step 5: Solve for x
    x = 46,307,342,789.11/209,772.20
  6. Step 6: Final answer
    x = 220,750.62

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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.