Home / 205,582.30-308,373.45-117,008.80

Finding the Fourth Proportional to 205,582.30, 308,373.45 and 117,008.80

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Solution

The fourth proportional to 205,582.30, 308,373.45 and 117,008.80 is: 175,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,582.30 : 308,373.45 = 117,008.80 : x
  2. Step 2: Convert to fraction form
    205,582.30/308,373.45 = 117,008.80/x
  3. Step 3: Cross multiply
    205,582.30x = 308,373.45 × 117,008.80
  4. Step 4: Simplify right side
    205,582.30x = 36,082,407,336.36
  5. Step 5: Solve for x
    x = 36,082,407,336.36/205,582.30
  6. Step 6: Final answer
    x = 175,513.20

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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.