Home / 215,855.16-323,584.02-145,758.84

Finding the Fourth Proportional to 215,855.16, 323,584.02 and 145,758.84

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Solution

The fourth proportional to 215,855.16, 323,584.02 and 145,758.84 is: 218,504.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,855.16 : 323,584.02 = 145,758.84 : x
  2. Step 2: Convert to fraction form
    215,855.16/323,584.02 = 145,758.84/x
  3. Step 3: Cross multiply
    215,855.16x = 323,584.02 × 145,758.84
  4. Step 4: Simplify right side
    215,855.16x = 47,165,231,397.74
  5. Step 5: Solve for x
    x = 47,165,231,397.74/215,855.16
  6. Step 6: Final answer
    x = 218,504.07

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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.