Home / 218,844.57-328,143.73-69,056.94

Finding the Fourth Proportional to 218,844.57, 328,143.73 and 69,056.94

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Solution

The fourth proportional to 218,844.57, 328,143.73 and 69,056.94 is: 103,546.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,844.57 : 328,143.73 = 69,056.94 : x
  2. Step 2: Convert to fraction form
    218,844.57/328,143.73 = 69,056.94/x
  3. Step 3: Cross multiply
    218,844.57x = 328,143.73 × 69,056.94
  4. Step 4: Simplify right side
    218,844.57x = 22,660,601,701.34
  5. Step 5: Solve for x
    x = 22,660,601,701.34/218,844.57
  6. Step 6: Final answer
    x = 103,546.56

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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.