Home / 261,630.90-361,046.04-146,910.45

Finding the Fourth Proportional to 261,630.90, 361,046.04 and 146,910.45

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Solution

The fourth proportional to 261,630.90, 361,046.04 and 146,910.45 is: 202,733.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,630.90 : 361,046.04 = 146,910.45 : x
  2. Step 2: Convert to fraction form
    261,630.90/361,046.04 = 146,910.45/x
  3. Step 3: Cross multiply
    261,630.90x = 361,046.04 × 146,910.45
  4. Step 4: Simplify right side
    261,630.90x = 53,041,436,207.12
  5. Step 5: Solve for x
    x = 53,041,436,207.12/261,630.90
  6. Step 6: Final answer
    x = 202,733.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.