Home / 432,224.20-648,336.30-207,692.20

Finding the Fourth Proportional to 432,224.20, 648,336.30 and 207,692.20

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Solution

The fourth proportional to 432,224.20, 648,336.30 and 207,692.20 is: 311,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,224.20 : 648,336.30 = 207,692.20 : x
  2. Step 2: Convert to fraction form
    432,224.20/648,336.30 = 207,692.20/x
  3. Step 3: Cross multiply
    432,224.20x = 648,336.30 × 207,692.20
  4. Step 4: Simplify right side
    432,224.20x = 134,654,392,486.86
  5. Step 5: Solve for x
    x = 134,654,392,486.86/432,224.20
  6. Step 6: Final answer
    x = 311,538.30

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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.