Home / 205,520.20-307,988.70-151,792.90

Finding the Fourth Proportional to 205,520.20, 307,988.70 and 151,792.90

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Solution

The fourth proportional to 205,520.20, 307,988.70 and 151,792.90 is: 227,473.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,520.20 : 307,988.70 = 151,792.90 : x
  2. Step 2: Convert to fraction form
    205,520.20/307,988.70 = 151,792.90/x
  3. Step 3: Cross multiply
    205,520.20x = 307,988.70 × 151,792.90
  4. Step 4: Simplify right side
    205,520.20x = 46,750,497,940.23
  5. Step 5: Solve for x
    x = 46,750,497,940.23/205,520.20
  6. Step 6: Final answer
    x = 227,473.98

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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.