Home / 246,916.67-340,740.10-138,020.47

Finding the Fourth Proportional to 246,916.67, 340,740.10 and 138,020.47

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Solution

The fourth proportional to 246,916.67, 340,740.10 and 138,020.47 is: 190,465.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,916.67 : 340,740.10 = 138,020.47 : x
  2. Step 2: Convert to fraction form
    246,916.67/340,740.10 = 138,020.47/x
  3. Step 3: Cross multiply
    246,916.67x = 340,740.10 × 138,020.47
  4. Step 4: Simplify right side
    246,916.67x = 47,029,108,749.85
  5. Step 5: Solve for x
    x = 47,029,108,749.85/246,916.67
  6. Step 6: Final answer
    x = 190,465.51

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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.