Home / 265,721.15-398,815.01-147,525.95

Finding the Fourth Proportional to 265,721.15, 398,815.01 and 147,525.95

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Solution

The fourth proportional to 265,721.15, 398,815.01 and 147,525.95 is: 221,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,721.15 : 398,815.01 = 147,525.95 : x
  2. Step 2: Convert to fraction form
    265,721.15/398,815.01 = 147,525.95/x
  3. Step 3: Cross multiply
    265,721.15x = 398,815.01 × 147,525.95
  4. Step 4: Simplify right side
    265,721.15x = 58,835,562,486.88
  5. Step 5: Solve for x
    x = 58,835,562,486.88/265,721.15
  6. Step 6: Final answer
    x = 221,418.44

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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.