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Finding the Fourth Proportional to 355,000.32, 532,850.40 and 215,032.32

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Solution

The fourth proportional to 355,000.32, 532,850.40 and 215,032.32 is: 322,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,000.32 : 532,850.40 = 215,032.32 : x
  2. Step 2: Convert to fraction form
    355,000.32/532,850.40 = 215,032.32/x
  3. Step 3: Cross multiply
    355,000.32x = 532,850.40 × 215,032.32
  4. Step 4: Simplify right side
    355,000.32x = 114,580,057,724.93
  5. Step 5: Solve for x
    x = 114,580,057,724.93/355,000.32
  6. Step 6: Final answer
    x = 322,760.44

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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.