Home / 288,860.20-433,546.30-170,383.40

Finding the Fourth Proportional to 288,860.20, 433,546.30 and 170,383.40

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Solution

The fourth proportional to 288,860.20, 433,546.30 and 170,383.40 is: 255,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,860.20 : 433,546.30 = 170,383.40 : x
  2. Step 2: Convert to fraction form
    288,860.20/433,546.30 = 170,383.40/x
  3. Step 3: Cross multiply
    288,860.20x = 433,546.30 × 170,383.40
  4. Step 4: Simplify right side
    288,860.20x = 73,869,092,651.42
  5. Step 5: Solve for x
    x = 73,869,092,651.42/288,860.20
  6. Step 6: Final answer
    x = 255,726.10

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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.