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Finding the Fourth Proportional to 323,157.89, 484,014.98 and 234,207.20

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Solution

The fourth proportional to 323,157.89, 484,014.98 and 234,207.20 is: 350,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,157.89 : 484,014.98 = 234,207.20 : x
  2. Step 2: Convert to fraction form
    323,157.89/484,014.98 = 234,207.20/x
  3. Step 3: Cross multiply
    323,157.89x = 484,014.98 × 234,207.20
  4. Step 4: Simplify right side
    323,157.89x = 113,359,790,803.78
  5. Step 5: Solve for x
    x = 113,359,790,803.78/323,157.89
  6. Step 6: Final answer
    x = 350,787.64

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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.