Home / 205,010.10-307,515.15-116,436.60

Finding the Fourth Proportional to 205,010.10, 307,515.15 and 116,436.60

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Solution

The fourth proportional to 205,010.10, 307,515.15 and 116,436.60 is: 174,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,010.10 : 307,515.15 = 116,436.60 : x
  2. Step 2: Convert to fraction form
    205,010.10/307,515.15 = 116,436.60/x
  3. Step 3: Cross multiply
    205,010.10x = 307,515.15 × 116,436.60
  4. Step 4: Simplify right side
    205,010.10x = 35,806,018,514.49
  5. Step 5: Solve for x
    x = 35,806,018,514.49/205,010.10
  6. Step 6: Final answer
    x = 174,654.90

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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.