Home / 283,514.09-425,274.38-121,386.35

Finding the Fourth Proportional to 283,514.09, 425,274.38 and 121,386.35

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Solution

The fourth proportional to 283,514.09, 425,274.38 and 121,386.35 is: 182,080.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,514.09 : 425,274.38 = 121,386.35 : x
  2. Step 2: Convert to fraction form
    283,514.09/425,274.38 = 121,386.35/x
  3. Step 3: Cross multiply
    283,514.09x = 425,274.38 × 121,386.35
  4. Step 4: Simplify right side
    283,514.09x = 51,622,504,129.78
  5. Step 5: Solve for x
    x = 51,622,504,129.78/283,514.09
  6. Step 6: Final answer
    x = 182,080.91

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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.