Home / 376,331.95-519,769.11-247,844.79

Finding the Fourth Proportional to 376,331.95, 519,769.11 and 247,844.79

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Solution

The fourth proportional to 376,331.95, 519,769.11 and 247,844.79 is: 342,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,331.95 : 519,769.11 = 247,844.79 : x
  2. Step 2: Convert to fraction form
    376,331.95/519,769.11 = 247,844.79/x
  3. Step 3: Cross multiply
    376,331.95x = 519,769.11 × 247,844.79
  4. Step 4: Simplify right side
    376,331.95x = 128,822,066,845.86
  5. Step 5: Solve for x
    x = 128,822,066,845.86/376,331.95
  6. Step 6: Final answer
    x = 342,309.67

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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.