Home / 265,711.32-398,230.02-262,899

Finding the Fourth Proportional to 265,711.32, 398,230.02 and 262,899

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Solution

The fourth proportional to 265,711.32, 398,230.02 and 262,899 is: 394,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,711.32 : 398,230.02 = 262,899 : x
  2. Step 2: Convert to fraction form
    265,711.32/398,230.02 = 262,899/x
  3. Step 3: Cross multiply
    265,711.32x = 398,230.02 × 262,899
  4. Step 4: Simplify right side
    265,711.32x = 104,694,274,027.98
  5. Step 5: Solve for x
    x = 104,694,274,027.98/265,711.32
  6. Step 6: Final answer
    x = 394,015.11

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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.