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Finding the Fourth Proportional to 218,974.88, 302,240.39 and 123,536.94

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Solution

The fourth proportional to 218,974.88, 302,240.39 and 123,536.94 is: 170,512.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,974.88 : 302,240.39 = 123,536.94 : x
  2. Step 2: Convert to fraction form
    218,974.88/302,240.39 = 123,536.94/x
  3. Step 3: Cross multiply
    218,974.88x = 302,240.39 × 123,536.94
  4. Step 4: Simplify right side
    218,974.88x = 37,337,852,925.01
  5. Step 5: Solve for x
    x = 37,337,852,925.01/218,974.88
  6. Step 6: Final answer
    x = 170,512.04

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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.