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Finding the Fourth Proportional to 376,756.19, 519,923.99 and 204,674.27

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Solution

The fourth proportional to 376,756.19, 519,923.99 and 204,674.27 is: 282,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,756.19 : 519,923.99 = 204,674.27 : x
  2. Step 2: Convert to fraction form
    376,756.19/519,923.99 = 204,674.27/x
  3. Step 3: Cross multiply
    376,756.19x = 519,923.99 × 204,674.27
  4. Step 4: Simplify right side
    376,756.19x = 106,415,063,108.74
  5. Step 5: Solve for x
    x = 106,415,063,108.74/376,756.19
  6. Step 6: Final answer
    x = 282,450.74

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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.