Home / 265,983.27-398,971.02-123,748.98

Finding the Fourth Proportional to 265,983.27, 398,971.02 and 123,748.98

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Solution

The fourth proportional to 265,983.27, 398,971.02 and 123,748.98 is: 185,621.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,983.27 : 398,971.02 = 123,748.98 : x
  2. Step 2: Convert to fraction form
    265,983.27/398,971.02 = 123,748.98/x
  3. Step 3: Cross multiply
    265,983.27x = 398,971.02 × 123,748.98
  4. Step 4: Simplify right side
    265,983.27x = 49,372,256,774.56
  5. Step 5: Solve for x
    x = 49,372,256,774.56/265,983.27
  6. Step 6: Final answer
    x = 185,621.66

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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.