Home / 261,932.80-361,511.04-154,529.44

Finding the Fourth Proportional to 261,932.80, 361,511.04 and 154,529.44

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Solution

The fourth proportional to 261,932.80, 361,511.04 and 154,529.44 is: 213,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,932.80 : 361,511.04 = 154,529.44 : x
  2. Step 2: Convert to fraction form
    261,932.80/361,511.04 = 154,529.44/x
  3. Step 3: Cross multiply
    261,932.80x = 361,511.04 × 154,529.44
  4. Step 4: Simplify right side
    261,932.80x = 55,864,098,565.02
  5. Step 5: Solve for x
    x = 55,864,098,565.02/261,932.80
  6. Step 6: Final answer
    x = 213,276.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.