Home / 375,278.82-517,885.02-203,196.90

Finding the Fourth Proportional to 375,278.82, 517,885.02 and 203,196.90

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Solution

The fourth proportional to 375,278.82, 517,885.02 and 203,196.90 is: 280,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,278.82 : 517,885.02 = 203,196.90 : x
  2. Step 2: Convert to fraction form
    375,278.82/517,885.02 = 203,196.90/x
  3. Step 3: Cross multiply
    375,278.82x = 517,885.02 × 203,196.90
  4. Step 4: Simplify right side
    375,278.82x = 105,232,630,620.44
  5. Step 5: Solve for x
    x = 105,232,630,620.44/375,278.82
  6. Step 6: Final answer
    x = 280,411.86

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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.