Home / 340,781.35-511,264.06-104,117.57

Finding the Fourth Proportional to 340,781.35, 511,264.06 and 104,117.57

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Solution

The fourth proportional to 340,781.35, 511,264.06 and 104,117.57 is: 156,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,781.35 : 511,264.06 = 104,117.57 : x
  2. Step 2: Convert to fraction form
    340,781.35/511,264.06 = 104,117.57/x
  3. Step 3: Cross multiply
    340,781.35x = 511,264.06 × 104,117.57
  4. Step 4: Simplify right side
    340,781.35x = 53,231,573,824.85
  5. Step 5: Solve for x
    x = 53,231,573,824.85/340,781.35
  6. Step 6: Final answer
    x = 156,204.48

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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.