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Finding the Fourth Proportional to 220,737.95, 304,628.36 and 130,097.73

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Solution

The fourth proportional to 220,737.95, 304,628.36 and 130,097.73 is: 179,540.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,737.95 : 304,628.36 = 130,097.73 : x
  2. Step 2: Convert to fraction form
    220,737.95/304,628.36 = 130,097.73/x
  3. Step 3: Cross multiply
    220,737.95x = 304,628.36 × 130,097.73
  4. Step 4: Simplify right side
    220,737.95x = 39,631,457,479.13
  5. Step 5: Solve for x
    x = 39,631,457,479.13/220,737.95
  6. Step 6: Final answer
    x = 179,540.76

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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.