Home / 246,454.47-340,142.22-139,034.43

Finding the Fourth Proportional to 246,454.47, 340,142.22 and 139,034.43

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Solution

The fourth proportional to 246,454.47, 340,142.22 and 139,034.43 is: 191,887.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,454.47 : 340,142.22 = 139,034.43 : x
  2. Step 2: Convert to fraction form
    246,454.47/340,142.22 = 139,034.43/x
  3. Step 3: Cross multiply
    246,454.47x = 340,142.22 × 139,034.43
  4. Step 4: Simplify right side
    246,454.47x = 47,291,479,676.63
  5. Step 5: Solve for x
    x = 47,291,479,676.63/246,454.47
  6. Step 6: Final answer
    x = 191,887.29

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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.