Home / 325,730.20-488,595.30-207,923.80

Finding the Fourth Proportional to 325,730.20, 488,595.30 and 207,923.80

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Solution

The fourth proportional to 325,730.20, 488,595.30 and 207,923.80 is: 311,885.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,730.20 : 488,595.30 = 207,923.80 : x
  2. Step 2: Convert to fraction form
    325,730.20/488,595.30 = 207,923.80/x
  3. Step 3: Cross multiply
    325,730.20x = 488,595.30 × 207,923.80
  4. Step 4: Simplify right side
    325,730.20x = 101,590,591,438.14
  5. Step 5: Solve for x
    x = 101,590,591,438.14/325,730.20
  6. Step 6: Final answer
    x = 311,885.70

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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.