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Finding the Fourth Proportional to 375,327.02, 517,951.02 and 203,244.92

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Solution

The fourth proportional to 375,327.02, 517,951.02 and 203,244.92 is: 280,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,327.02 : 517,951.02 = 203,244.92 : x
  2. Step 2: Convert to fraction form
    375,327.02/517,951.02 = 203,244.92/x
  3. Step 3: Cross multiply
    375,327.02x = 517,951.02 × 203,244.92
  4. Step 4: Simplify right side
    375,327.02x = 105,270,913,623.82
  5. Step 5: Solve for x
    x = 105,270,913,623.82/375,327.02
  6. Step 6: Final answer
    x = 280,477.84

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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.