Home / 325,535.40-488,139.08-192,456.45

Finding the Fourth Proportional to 325,535.40, 488,139.08 and 192,456.45

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Solution

The fourth proportional to 325,535.40, 488,139.08 and 192,456.45 is: 288,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,535.40 : 488,139.08 = 192,456.45 : x
  2. Step 2: Convert to fraction form
    325,535.40/488,139.08 = 192,456.45/x
  3. Step 3: Cross multiply
    325,535.40x = 488,139.08 × 192,456.45
  4. Step 4: Simplify right side
    325,535.40x = 93,945,513,480.78
  5. Step 5: Solve for x
    x = 93,945,513,480.78/325,535.40
  6. Step 6: Final answer
    x = 288,587.70

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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.