Home / 256,971.24-354,625.02-143,793.72

Finding the Fourth Proportional to 256,971.24, 354,625.02 and 143,793.72

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Solution

The fourth proportional to 256,971.24, 354,625.02 and 143,793.72 is: 198,437.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,971.24 : 354,625.02 = 143,793.72 : x
  2. Step 2: Convert to fraction form
    256,971.24/354,625.02 = 143,793.72/x
  3. Step 3: Cross multiply
    256,971.24x = 354,625.02 × 143,793.72
  4. Step 4: Simplify right side
    256,971.24x = 50,992,850,830.87
  5. Step 5: Solve for x
    x = 50,992,850,830.87/256,971.24
  6. Step 6: Final answer
    x = 198,437.97

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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.