Home / 242,148.22-363,221.72-115,404.28

Finding the Fourth Proportional to 242,148.22, 363,221.72 and 115,404.28

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Solution

The fourth proportional to 242,148.22, 363,221.72 and 115,404.28 is: 173,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,148.22 : 363,221.72 = 115,404.28 : x
  2. Step 2: Convert to fraction form
    242,148.22/363,221.72 = 115,404.28/x
  3. Step 3: Cross multiply
    242,148.22x = 363,221.72 × 115,404.28
  4. Step 4: Simplify right side
    242,148.22x = 41,917,340,024.65
  5. Step 5: Solve for x
    x = 41,917,340,024.65/242,148.22
  6. Step 6: Final answer
    x = 173,106.13

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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.