Home / 432,008.20-648,012.30-182,690.20

Finding the Fourth Proportional to 432,008.20, 648,012.30 and 182,690.20

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Solution

The fourth proportional to 432,008.20, 648,012.30 and 182,690.20 is: 274,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,008.20 : 648,012.30 = 182,690.20 : x
  2. Step 2: Convert to fraction form
    432,008.20/648,012.30 = 182,690.20/x
  3. Step 3: Cross multiply
    432,008.20x = 648,012.30 × 182,690.20
  4. Step 4: Simplify right side
    432,008.20x = 118,385,496,689.46
  5. Step 5: Solve for x
    x = 118,385,496,689.46/432,008.20
  6. Step 6: Final answer
    x = 274,035.30

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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.