Home / 759,169.26-1,138,729.19-198,203.76

Finding the Fourth Proportional to 759,169.26, 1,138,729.19 and 198,203.76

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Solution

The fourth proportional to 759,169.26, 1,138,729.19 and 198,203.76 is: 297,299.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,169.26 : 1,138,729.19 = 198,203.76 : x
  2. Step 2: Convert to fraction form
    759,169.26/1,138,729.19 = 198,203.76/x
  3. Step 3: Cross multiply
    759,169.26x = 1,138,729.19 × 198,203.76
  4. Step 4: Simplify right side
    759,169.26x = 225,700,406,088.74
  5. Step 5: Solve for x
    x = 225,700,406,088.74/759,169.26
  6. Step 6: Final answer
    x = 297,299.19

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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.