Home / 246,712.48-340,432.40-139,269.28

Finding the Fourth Proportional to 246,712.48, 340,432.40 and 139,269.28

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Solution

The fourth proportional to 246,712.48, 340,432.40 and 139,269.28 is: 192,174.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,712.48 : 340,432.40 = 139,269.28 : x
  2. Step 2: Convert to fraction form
    246,712.48/340,432.40 = 139,269.28/x
  3. Step 3: Cross multiply
    246,712.48x = 340,432.40 × 139,269.28
  4. Step 4: Simplify right side
    246,712.48x = 47,411,775,236.67
  5. Step 5: Solve for x
    x = 47,411,775,236.67/246,712.48
  6. Step 6: Final answer
    x = 192,174.21

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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.