Home / 265,928.32-398,555.52-263,116

Finding the Fourth Proportional to 265,928.32, 398,555.52 and 263,116

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Solution

The fourth proportional to 265,928.32, 398,555.52 and 263,116 is: 394,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,928.32 : 398,555.52 = 263,116 : x
  2. Step 2: Convert to fraction form
    265,928.32/398,555.52 = 263,116/x
  3. Step 3: Cross multiply
    265,928.32x = 398,555.52 × 263,116
  4. Step 4: Simplify right side
    265,928.32x = 104,866,334,200.32
  5. Step 5: Solve for x
    x = 104,866,334,200.32/265,928.32
  6. Step 6: Final answer
    x = 394,340.60

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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.