Home / 261,498.24-392,189.04-103,684.32

Finding the Fourth Proportional to 261,498.24, 392,189.04 and 103,684.32

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Solution

The fourth proportional to 261,498.24, 392,189.04 and 103,684.32 is: 155,503.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,498.24 : 392,189.04 = 103,684.32 : x
  2. Step 2: Convert to fraction form
    261,498.24/392,189.04 = 103,684.32/x
  3. Step 3: Cross multiply
    261,498.24x = 392,189.04 × 103,684.32
  4. Step 4: Simplify right side
    261,498.24x = 40,663,853,923.85
  5. Step 5: Solve for x
    x = 40,663,853,923.85/261,498.24
  6. Step 6: Final answer
    x = 155,503.36

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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.