Home / 205,583.30-308,374.95-117,009.80

Finding the Fourth Proportional to 205,583.30, 308,374.95 and 117,009.80

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Solution

The fourth proportional to 205,583.30, 308,374.95 and 117,009.80 is: 175,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,583.30 : 308,374.95 = 117,009.80 : x
  2. Step 2: Convert to fraction form
    205,583.30/308,374.95 = 117,009.80/x
  3. Step 3: Cross multiply
    205,583.30x = 308,374.95 × 117,009.80
  4. Step 4: Simplify right side
    205,583.30x = 36,082,891,224.51
  5. Step 5: Solve for x
    x = 36,082,891,224.51/205,583.30
  6. Step 6: Final answer
    x = 175,514.70

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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.