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Finding the Fourth Proportional to 215,329.84, 322,991.88 and 75,088

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Solution

The fourth proportional to 215,329.84, 322,991.88 and 75,088 is: 112,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,329.84 : 322,991.88 = 75,088 : x
  2. Step 2: Convert to fraction form
    215,329.84/322,991.88 = 75,088/x
  3. Step 3: Cross multiply
    215,329.84x = 322,991.88 × 75,088
  4. Step 4: Simplify right side
    215,329.84x = 24,252,814,285.44
  5. Step 5: Solve for x
    x = 24,252,814,285.44/215,329.84
  6. Step 6: Final answer
    x = 112,631.00

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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.