Home / 266,147.26-399,429.45-185,661.70

Finding the Fourth Proportional to 266,147.26, 399,429.45 and 185,661.70

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Solution

The fourth proportional to 266,147.26, 399,429.45 and 185,661.70 is: 278,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,147.26 : 399,429.45 = 185,661.70 : x
  2. Step 2: Convert to fraction form
    266,147.26/399,429.45 = 185,661.70/x
  3. Step 3: Cross multiply
    266,147.26x = 399,429.45 × 185,661.70
  4. Step 4: Simplify right side
    266,147.26x = 74,158,750,717.07
  5. Step 5: Solve for x
    x = 74,158,750,717.07/266,147.26
  6. Step 6: Final answer
    x = 278,638.04

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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.