Home / 265,927.32-398,554.02-263,115

Finding the Fourth Proportional to 265,927.32, 398,554.02 and 263,115

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Solution

The fourth proportional to 265,927.32, 398,554.02 and 263,115 is: 394,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,927.32 : 398,554.02 = 263,115 : x
  2. Step 2: Convert to fraction form
    265,927.32/398,554.02 = 263,115/x
  3. Step 3: Cross multiply
    265,927.32x = 398,554.02 × 263,115
  4. Step 4: Simplify right side
    265,927.32x = 104,865,540,972.30
  5. Step 5: Solve for x
    x = 104,865,540,972.30/265,927.32
  6. Step 6: Final answer
    x = 394,339.10

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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.