Home / 246,442.28-339,862.74-155,640.20

Finding the Fourth Proportional to 246,442.28, 339,862.74 and 155,640.20

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Solution

The fourth proportional to 246,442.28, 339,862.74 and 155,640.20 is: 214,639.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,442.28 : 339,862.74 = 155,640.20 : x
  2. Step 2: Convert to fraction form
    246,442.28/339,862.74 = 155,640.20/x
  3. Step 3: Cross multiply
    246,442.28x = 339,862.74 × 155,640.20
  4. Step 4: Simplify right side
    246,442.28x = 52,896,304,826.15
  5. Step 5: Solve for x
    x = 52,896,304,826.15/246,442.28
  6. Step 6: Final answer
    x = 214,639.73

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1.5x scale

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.