Home / 408,076.06-563,131.48-224,315.25

Finding the Fourth Proportional to 408,076.06, 563,131.48 and 224,315.25

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Solution

The fourth proportional to 408,076.06, 563,131.48 and 224,315.25 is: 309,547.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,076.06 : 563,131.48 = 224,315.25 : x
  2. Step 2: Convert to fraction form
    408,076.06/563,131.48 = 224,315.25/x
  3. Step 3: Cross multiply
    408,076.06x = 563,131.48 × 224,315.25
  4. Step 4: Simplify right side
    408,076.06x = 126,318,978,719.07
  5. Step 5: Solve for x
    x = 126,318,978,719.07/408,076.06
  6. Step 6: Final answer
    x = 309,547.63

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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.