Home / 379,487.32-523,748.10-228,581.08

Finding the Fourth Proportional to 379,487.32, 523,748.10 and 228,581.08

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Solution

The fourth proportional to 379,487.32, 523,748.10 and 228,581.08 is: 315,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,487.32 : 523,748.10 = 228,581.08 : x
  2. Step 2: Convert to fraction form
    379,487.32/523,748.10 = 228,581.08/x
  3. Step 3: Cross multiply
    379,487.32x = 523,748.10 × 228,581.08
  4. Step 4: Simplify right side
    379,487.32x = 119,718,906,345.95
  5. Step 5: Solve for x
    x = 119,718,906,345.95/379,487.32
  6. Step 6: Final answer
    x = 315,475.38

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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.