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Finding the Fourth Proportional to 376,256.89, 519,234.51 and 225,353.89

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Solution

The fourth proportional to 376,256.89, 519,234.51 and 225,353.89 is: 310,988.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,256.89 : 519,234.51 = 225,353.89 : x
  2. Step 2: Convert to fraction form
    376,256.89/519,234.51 = 225,353.89/x
  3. Step 3: Cross multiply
    376,256.89x = 519,234.51 × 225,353.89
  4. Step 4: Simplify right side
    376,256.89x = 117,011,516,650.74
  5. Step 5: Solve for x
    x = 117,011,516,650.74/376,256.89
  6. Step 6: Final answer
    x = 310,988.37

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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.