Home / 321,335.10-482,002.65-163,871.10

Finding the Fourth Proportional to 321,335.10, 482,002.65 and 163,871.10

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Solution

The fourth proportional to 321,335.10, 482,002.65 and 163,871.10 is: 245,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,335.10 : 482,002.65 = 163,871.10 : x
  2. Step 2: Convert to fraction form
    321,335.10/482,002.65 = 163,871.10/x
  3. Step 3: Cross multiply
    321,335.10x = 482,002.65 × 163,871.10
  4. Step 4: Simplify right side
    321,335.10x = 78,986,304,458.42
  5. Step 5: Solve for x
    x = 78,986,304,458.42/321,335.10
  6. Step 6: Final answer
    x = 245,806.65

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1.5x scale

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.