Home / 248,736.79-343,257.92-141,312.71

Finding the Fourth Proportional to 248,736.79, 343,257.92 and 141,312.71

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Solution

The fourth proportional to 248,736.79, 343,257.92 and 141,312.71 is: 195,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,736.79 : 343,257.92 = 141,312.71 : x
  2. Step 2: Convert to fraction form
    248,736.79/343,257.92 = 141,312.71/x
  3. Step 3: Cross multiply
    248,736.79x = 343,257.92 × 141,312.71
  4. Step 4: Simplify right side
    248,736.79x = 48,506,708,664.54
  5. Step 5: Solve for x
    x = 48,506,708,664.54/248,736.79
  6. Step 6: Final answer
    x = 195,012.20

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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.