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Finding the Fourth Proportional to 315,336.46, 472,723.46 and 115,610.30

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Solution

The fourth proportional to 315,336.46, 472,723.46 and 115,610.30 is: 173,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,336.46 : 472,723.46 = 115,610.30 : x
  2. Step 2: Convert to fraction form
    315,336.46/472,723.46 = 115,610.30/x
  3. Step 3: Cross multiply
    315,336.46x = 472,723.46 × 115,610.30
  4. Step 4: Simplify right side
    315,336.46x = 54,651,703,601.60
  5. Step 5: Solve for x
    x = 54,651,703,601.60/315,336.46
  6. Step 6: Final answer
    x = 173,312.35

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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.