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Finding the Fourth Proportional to 434,201.60, 650,180.72 and 299,680.88

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Solution

The fourth proportional to 434,201.60, 650,180.72 and 299,680.88 is: 448,747.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,201.60 : 650,180.72 = 299,680.88 : x
  2. Step 2: Convert to fraction form
    434,201.60/650,180.72 = 299,680.88/x
  3. Step 3: Cross multiply
    434,201.60x = 650,180.72 × 299,680.88
  4. Step 4: Simplify right side
    434,201.60x = 194,846,730,328.63
  5. Step 5: Solve for x
    x = 194,846,730,328.63/434,201.60
  6. Step 6: Final answer
    x = 448,747.15

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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.