Home / 205,514.10-308,271.15-57,750.90

Finding the Fourth Proportional to 205,514.10, 308,271.15 and 57,750.90

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Solution

The fourth proportional to 205,514.10, 308,271.15 and 57,750.90 is: 86,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,514.10 : 308,271.15 = 57,750.90 : x
  2. Step 2: Convert to fraction form
    205,514.10/308,271.15 = 57,750.90/x
  3. Step 3: Cross multiply
    205,514.10x = 308,271.15 × 57,750.90
  4. Step 4: Simplify right side
    205,514.10x = 17,802,936,356.54
  5. Step 5: Solve for x
    x = 17,802,936,356.54/205,514.10
  6. Step 6: Final answer
    x = 86,626.35

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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.