Home / 865,422.08-1,297,983.36-234,188.48

Finding the Fourth Proportional to 865,422.08, 1,297,983.36 and 234,188.48

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Solution

The fourth proportional to 865,422.08, 1,297,983.36 and 234,188.48 is: 351,242.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,422.08 : 1,297,983.36 = 234,188.48 : x
  2. Step 2: Convert to fraction form
    865,422.08/1,297,983.36 = 234,188.48/x
  3. Step 3: Cross multiply
    865,422.08x = 1,297,983.36 × 234,188.48
  4. Step 4: Simplify right side
    865,422.08x = 303,972,750,143.69
  5. Step 5: Solve for x
    x = 303,972,750,143.69/865,422.08
  6. Step 6: Final answer
    x = 351,242.19

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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.