Home / 246,478.31-340,143.38-139,048.01

Finding the Fourth Proportional to 246,478.31, 340,143.38 and 139,048.01

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Solution

The fourth proportional to 246,478.31, 340,143.38 and 139,048.01 is: 191,888.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,478.31 : 340,143.38 = 139,048.01 : x
  2. Step 2: Convert to fraction form
    246,478.31/340,143.38 = 139,048.01/x
  3. Step 3: Cross multiply
    246,478.31x = 340,143.38 × 139,048.01
  4. Step 4: Simplify right side
    246,478.31x = 47,296,259,408.43
  5. Step 5: Solve for x
    x = 47,296,259,408.43/246,478.31
  6. Step 6: Final answer
    x = 191,888.12

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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.