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Finding the Fourth Proportional to 372,255.94, 513,355.89 and 250,024.51

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Solution

The fourth proportional to 372,255.94, 513,355.89 and 250,024.51 is: 344,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,255.94 : 513,355.89 = 250,024.51 : x
  2. Step 2: Convert to fraction form
    372,255.94/513,355.89 = 250,024.51/x
  3. Step 3: Cross multiply
    372,255.94x = 513,355.89 × 250,024.51
  4. Step 4: Simplify right side
    372,255.94x = 128,351,554,852.86
  5. Step 5: Solve for x
    x = 128,351,554,852.86/372,255.94
  6. Step 6: Final answer
    x = 344,793.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.