Home / 248,799.70-343,344.18-141,405.40

Finding the Fourth Proportional to 248,799.70, 343,344.18 and 141,405.40

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Solution

The fourth proportional to 248,799.70, 343,344.18 and 141,405.40 is: 195,139.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,799.70 : 343,344.18 = 141,405.40 : x
  2. Step 2: Convert to fraction form
    248,799.70/343,344.18 = 141,405.40/x
  3. Step 3: Cross multiply
    248,799.70x = 343,344.18 × 141,405.40
  4. Step 4: Simplify right side
    248,799.70x = 48,550,721,110.57
  5. Step 5: Solve for x
    x = 48,550,721,110.57/248,799.70
  6. Step 6: Final answer
    x = 195,139.79

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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.