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Finding the Fourth Proportional to 375,595.78, 517,903 and 272,025.14

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Solution

The fourth proportional to 375,595.78, 517,903 and 272,025.14 is: 375,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,595.78 : 517,903 = 272,025.14 : x
  2. Step 2: Convert to fraction form
    375,595.78/517,903 = 272,025.14/x
  3. Step 3: Cross multiply
    375,595.78x = 517,903 × 272,025.14
  4. Step 4: Simplify right side
    375,595.78x = 140,882,636,081.42
  5. Step 5: Solve for x
    x = 140,882,636,081.42/375,595.78
  6. Step 6: Final answer
    x = 375,091.10

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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.