Home / 307,514.54-461,291.25-129,998.18

Finding the Fourth Proportional to 307,514.54, 461,291.25 and 129,998.18

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Solution

The fourth proportional to 307,514.54, 461,291.25 and 129,998.18 is: 195,005.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,514.54 : 461,291.25 = 129,998.18 : x
  2. Step 2: Convert to fraction form
    307,514.54/461,291.25 = 129,998.18/x
  3. Step 3: Cross multiply
    307,514.54x = 461,291.25 × 129,998.18
  4. Step 4: Simplify right side
    307,514.54x = 59,967,024,590.65
  5. Step 5: Solve for x
    x = 59,967,024,590.65/307,514.54
  6. Step 6: Final answer
    x = 195,005.49

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1.5x scale

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.