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Finding the Fourth Proportional to 375,224.86, 517,811.16 and 203,144.64

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Solution

The fourth proportional to 375,224.86, 517,811.16 and 203,144.64 is: 280,340.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,224.86 : 517,811.16 = 203,144.64 : x
  2. Step 2: Convert to fraction form
    375,224.86/517,811.16 = 203,144.64/x
  3. Step 3: Cross multiply
    375,224.86x = 517,811.16 × 203,144.64
  4. Step 4: Simplify right side
    375,224.86x = 105,190,561,686.18
  5. Step 5: Solve for x
    x = 105,190,561,686.18/375,224.86
  6. Step 6: Final answer
    x = 280,340.07

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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.