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Finding the Fourth Proportional to 372,146.96, 513,753.48 and 251,924.24

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Solution

The fourth proportional to 372,146.96, 513,753.48 and 251,924.24 is: 347,784.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,146.96 : 513,753.48 = 251,924.24 : x
  2. Step 2: Convert to fraction form
    372,146.96/513,753.48 = 251,924.24/x
  3. Step 3: Cross multiply
    372,146.96x = 513,753.48 × 251,924.24
  4. Step 4: Simplify right side
    372,146.96x = 129,426,954,996.36
  5. Step 5: Solve for x
    x = 129,426,954,996.36/372,146.96
  6. Step 6: Final answer
    x = 347,784.53

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1.5x scale

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.