Home / 263,514.80-395,531.40-130,545.20

Finding the Fourth Proportional to 263,514.80, 395,531.40 and 130,545.20

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Solution

The fourth proportional to 263,514.80, 395,531.40 and 130,545.20 is: 195,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,514.80 : 395,531.40 = 130,545.20 : x
  2. Step 2: Convert to fraction form
    263,514.80/395,531.40 = 130,545.20/x
  3. Step 3: Cross multiply
    263,514.80x = 395,531.40 × 130,545.20
  4. Step 4: Simplify right side
    263,514.80x = 51,634,725,719.28
  5. Step 5: Solve for x
    x = 51,634,725,719.28/263,514.80
  6. Step 6: Final answer
    x = 195,946.21

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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.