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Finding the Fourth Proportional to 192,001.30, 288,001.95 and 172,647.70

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Solution

The fourth proportional to 192,001.30, 288,001.95 and 172,647.70 is: 258,971.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,001.30 : 288,001.95 = 172,647.70 : x
  2. Step 2: Convert to fraction form
    192,001.30/288,001.95 = 172,647.70/x
  3. Step 3: Cross multiply
    192,001.30x = 288,001.95 × 172,647.70
  4. Step 4: Simplify right side
    192,001.30x = 49,722,874,263.02
  5. Step 5: Solve for x
    x = 49,722,874,263.02/192,001.30
  6. Step 6: Final answer
    x = 258,971.55

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1.5x scale

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.