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Finding the Fourth Proportional to 250,003.68, 345,005.20 and 136,827.04

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Solution

The fourth proportional to 250,003.68, 345,005.20 and 136,827.04 is: 188,821.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,003.68 : 345,005.20 = 136,827.04 : x
  2. Step 2: Convert to fraction form
    250,003.68/345,005.20 = 136,827.04/x
  3. Step 3: Cross multiply
    250,003.68x = 345,005.20 × 136,827.04
  4. Step 4: Simplify right side
    250,003.68x = 47,206,040,300.61
  5. Step 5: Solve for x
    x = 47,206,040,300.61/250,003.68
  6. Step 6: Final answer
    x = 188,821.38

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1.5x scale

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.