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Finding the Fourth Proportional to 376,971.45, 520,341.84 and 241,370.61

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Solution

The fourth proportional to 376,971.45, 520,341.84 and 241,370.61 is: 333,169.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,971.45 : 520,341.84 = 241,370.61 : x
  2. Step 2: Convert to fraction form
    376,971.45/520,341.84 = 241,370.61/x
  3. Step 3: Cross multiply
    376,971.45x = 520,341.84 × 241,370.61
  4. Step 4: Simplify right side
    376,971.45x = 125,595,227,329.32
  5. Step 5: Solve for x
    x = 125,595,227,329.32/376,971.45
  6. Step 6: Final answer
    x = 333,169.07

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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.