Home / 375,917.33-563,939.17-186,387.05

Finding the Fourth Proportional to 375,917.33, 563,939.17 and 186,387.05

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Solution

The fourth proportional to 375,917.33, 563,939.17 and 186,387.05 is: 279,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,917.33 : 563,939.17 = 186,387.05 : x
  2. Step 2: Convert to fraction form
    375,917.33/563,939.17 = 186,387.05/x
  3. Step 3: Cross multiply
    375,917.33x = 563,939.17 × 186,387.05
  4. Step 4: Simplify right side
    375,917.33x = 105,110,954,990.09
  5. Step 5: Solve for x
    x = 105,110,954,990.09/375,917.33
  6. Step 6: Final answer
    x = 279,611.89

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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.