Home / 240,272.50-331,600.49-138,302.23

Finding the Fourth Proportional to 240,272.50, 331,600.49 and 138,302.23

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Solution

The fourth proportional to 240,272.50, 331,600.49 and 138,302.23 is: 190,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,272.50 : 331,600.49 = 138,302.23 : x
  2. Step 2: Convert to fraction form
    240,272.50/331,600.49 = 138,302.23/x
  3. Step 3: Cross multiply
    240,272.50x = 331,600.49 × 138,302.23
  4. Step 4: Simplify right side
    240,272.50x = 45,861,087,236.09
  5. Step 5: Solve for x
    x = 45,861,087,236.09/240,272.50
  6. Step 6: Final answer
    x = 190,871.15

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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.