Home / 405,934.02-560,180.10-222,171.69

Finding the Fourth Proportional to 405,934.02, 560,180.10 and 222,171.69

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Solution

The fourth proportional to 405,934.02, 560,180.10 and 222,171.69 is: 306,592.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,934.02 : 560,180.10 = 222,171.69 : x
  2. Step 2: Convert to fraction form
    405,934.02/560,180.10 = 222,171.69/x
  3. Step 3: Cross multiply
    405,934.02x = 560,180.10 × 222,171.69
  4. Step 4: Simplify right side
    405,934.02x = 124,456,159,521.37
  5. Step 5: Solve for x
    x = 124,456,159,521.37/405,934.02
  6. Step 6: Final answer
    x = 306,592.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.