Home / 246,411.24-340,047.28-138,981

Finding the Fourth Proportional to 246,411.24, 340,047.28 and 138,981

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Solution

The fourth proportional to 246,411.24, 340,047.28 and 138,981 is: 191,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,411.24 : 340,047.28 = 138,981 : x
  2. Step 2: Convert to fraction form
    246,411.24/340,047.28 = 138,981/x
  3. Step 3: Cross multiply
    246,411.24x = 340,047.28 × 138,981
  4. Step 4: Simplify right side
    246,411.24x = 47,260,111,021.68
  5. Step 5: Solve for x
    x = 47,260,111,021.68/246,411.24
  6. Step 6: Final answer
    x = 191,793.65

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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.