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Finding the Fourth Proportional to 250,143.58, 375,220.17 and 92,290.78

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Solution

The fourth proportional to 250,143.58, 375,220.17 and 92,290.78 is: 138,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,143.58 : 375,220.17 = 92,290.78 : x
  2. Step 2: Convert to fraction form
    250,143.58/375,220.17 = 92,290.78/x
  3. Step 3: Cross multiply
    250,143.58x = 375,220.17 × 92,290.78
  4. Step 4: Simplify right side
    250,143.58x = 34,629,362,161.03
  5. Step 5: Solve for x
    x = 34,629,362,161.03/250,143.58
  6. Step 6: Final answer
    x = 138,437.94

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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.