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Finding the Fourth Proportional to 224,111.40, 335,393.70 and 138,687.24

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Solution

The fourth proportional to 224,111.40, 335,393.70 and 138,687.24 is: 207,552.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,111.40 : 335,393.70 = 138,687.24 : x
  2. Step 2: Convert to fraction form
    224,111.40/335,393.70 = 138,687.24/x
  3. Step 3: Cross multiply
    224,111.40x = 335,393.70 × 138,687.24
  4. Step 4: Simplify right side
    224,111.40x = 46,514,826,566.39
  5. Step 5: Solve for x
    x = 46,514,826,566.39/224,111.40
  6. Step 6: Final answer
    x = 207,552.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.