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Finding the Fourth Proportional to 218,800.17, 301,940.06 and 123,304.95

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Solution

The fourth proportional to 218,800.17, 301,940.06 and 123,304.95 is: 170,158.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,800.17 : 301,940.06 = 123,304.95 : x
  2. Step 2: Convert to fraction form
    218,800.17/301,940.06 = 123,304.95/x
  3. Step 3: Cross multiply
    218,800.17x = 301,940.06 × 123,304.95
  4. Step 4: Simplify right side
    218,800.17x = 37,230,703,384.77
  5. Step 5: Solve for x
    x = 37,230,703,384.77/218,800.17
  6. Step 6: Final answer
    x = 170,158.48

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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.