Home / 432,076.30-647,920.05-165,748.30

Finding the Fourth Proportional to 432,076.30, 647,920.05 and 165,748.30

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Solution

The fourth proportional to 432,076.30, 647,920.05 and 165,748.30 is: 248,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,076.30 : 647,920.05 = 165,748.30 : x
  2. Step 2: Convert to fraction form
    432,076.30/647,920.05 = 165,748.30/x
  3. Step 3: Cross multiply
    432,076.30x = 647,920.05 × 165,748.30
  4. Step 4: Simplify right side
    432,076.30x = 107,391,646,823.42
  5. Step 5: Solve for x
    x = 107,391,646,823.42/432,076.30
  6. Step 6: Final answer
    x = 248,547.88

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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.