Home / 246,898.26-340,718.53-138,002.45

Finding the Fourth Proportional to 246,898.26, 340,718.53 and 138,002.45

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Solution

The fourth proportional to 246,898.26, 340,718.53 and 138,002.45 is: 190,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,898.26 : 340,718.53 = 138,002.45 : x
  2. Step 2: Convert to fraction form
    246,898.26/340,718.53 = 138,002.45/x
  3. Step 3: Cross multiply
    246,898.26x = 340,718.53 × 138,002.45
  4. Step 4: Simplify right side
    246,898.26x = 47,019,991,900.40
  5. Step 5: Solve for x
    x = 47,019,991,900.40/246,898.26
  6. Step 6: Final answer
    x = 190,442.78

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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.