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Finding the Fourth Proportional to 376,597.08, 519,487.02 and 225,606.60

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Solution

The fourth proportional to 376,597.08, 519,487.02 and 225,606.60 is: 311,207.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,597.08 : 519,487.02 = 225,606.60 : x
  2. Step 2: Convert to fraction form
    376,597.08/519,487.02 = 225,606.60/x
  3. Step 3: Cross multiply
    376,597.08x = 519,487.02 × 225,606.60
  4. Step 4: Simplify right side
    376,597.08x = 117,199,700,326.33
  5. Step 5: Solve for x
    x = 117,199,700,326.33/376,597.08
  6. Step 6: Final answer
    x = 311,207.14

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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.