Home / 258,827.00-388,333.91-90,372.14

Finding the Fourth Proportional to 258,827.00, 388,333.91 and 90,372.14

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Solution

The fourth proportional to 258,827.00, 388,333.91 and 90,372.14 is: 135,590.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,827.00 : 388,333.91 = 90,372.14 : x
  2. Step 2: Convert to fraction form
    258,827.00/388,333.91 = 90,372.14/x
  3. Step 3: Cross multiply
    258,827.00x = 388,333.91 × 90,372.14
  4. Step 4: Simplify right side
    258,827.00x = 35,094,566,221.78
  5. Step 5: Solve for x
    x = 35,094,566,221.78/258,827.00
  6. Step 6: Final answer
    x = 135,590.83

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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.