Home / 432,005.20-647,181.60-232,259.20

Finding the Fourth Proportional to 432,005.20, 647,181.60 and 232,259.20

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Solution

The fourth proportional to 432,005.20, 647,181.60 and 232,259.20 is: 347,944.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,005.20 : 647,181.60 = 232,259.20 : x
  2. Step 2: Convert to fraction form
    432,005.20/647,181.60 = 232,259.20/x
  3. Step 3: Cross multiply
    432,005.20x = 647,181.60 × 232,259.20
  4. Step 4: Simplify right side
    432,005.20x = 150,313,880,670.72
  5. Step 5: Solve for x
    x = 150,313,880,670.72/432,005.20
  6. Step 6: Final answer
    x = 347,944.61

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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.