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Finding the Fourth Proportional to 240,512.88, 331,885.17 and 162,830.51

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Solution

The fourth proportional to 240,512.88, 331,885.17 and 162,830.51 is: 224,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,512.88 : 331,885.17 = 162,830.51 : x
  2. Step 2: Convert to fraction form
    240,512.88/331,885.17 = 162,830.51/x
  3. Step 3: Cross multiply
    240,512.88x = 331,885.17 × 162,830.51
  4. Step 4: Simplify right side
    240,512.88x = 54,041,029,833.11
  5. Step 5: Solve for x
    x = 54,041,029,833.11/240,512.88
  6. Step 6: Final answer
    x = 224,690.79

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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.