Home / 386,947.02-533,850.03-252,888.78

Finding the Fourth Proportional to 386,947.02, 533,850.03 and 252,888.78

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Solution

The fourth proportional to 386,947.02, 533,850.03 and 252,888.78 is: 348,897.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,947.02 : 533,850.03 = 252,888.78 : x
  2. Step 2: Convert to fraction form
    386,947.02/533,850.03 = 252,888.78/x
  3. Step 3: Cross multiply
    386,947.02x = 533,850.03 × 252,888.78
  4. Step 4: Simplify right side
    386,947.02x = 135,004,682,789.66
  5. Step 5: Solve for x
    x = 135,004,682,789.66/386,947.02
  6. Step 6: Final answer
    x = 348,897.07

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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.