Home / 432,546.30-648,625.05-166,218.30

Finding the Fourth Proportional to 432,546.30, 648,625.05 and 166,218.30

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Solution

The fourth proportional to 432,546.30, 648,625.05 and 166,218.30 is: 249,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,546.30 : 648,625.05 = 166,218.30 : x
  2. Step 2: Convert to fraction form
    432,546.30/648,625.05 = 166,218.30/x
  3. Step 3: Cross multiply
    432,546.30x = 648,625.05 × 166,218.30
  4. Step 4: Simplify right side
    432,546.30x = 107,813,353,148.42
  5. Step 5: Solve for x
    x = 107,813,353,148.42/432,546.30
  6. Step 6: Final answer
    x = 249,252.75

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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.