Home / 261,932.32-361,478.46-154,506.88

Finding the Fourth Proportional to 261,932.32, 361,478.46 and 154,506.88

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Solution

The fourth proportional to 261,932.32, 361,478.46 and 154,506.88 is: 213,226.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,932.32 : 361,478.46 = 154,506.88 : x
  2. Step 2: Convert to fraction form
    261,932.32/361,478.46 = 154,506.88/x
  3. Step 3: Cross multiply
    261,932.32x = 361,478.46 × 154,506.88
  4. Step 4: Simplify right side
    261,932.32x = 55,850,909,041.80
  5. Step 5: Solve for x
    x = 55,850,909,041.80/261,932.32
  6. Step 6: Final answer
    x = 213,226.49

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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.