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Finding the Fourth Proportional to 376,568, 565,085.44 and 218,870.72

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Solution

The fourth proportional to 376,568, 565,085.44 and 218,870.72 is: 328,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,568 : 565,085.44 = 218,870.72 : x
  2. Step 2: Convert to fraction form
    376,568/565,085.44 = 218,870.72/x
  3. Step 3: Cross multiply
    376,568x = 565,085.44 × 218,870.72
  4. Step 4: Simplify right side
    376,568x = 123,680,657,114.32
  5. Step 5: Solve for x
    x = 123,680,657,114.32/376,568
  6. Step 6: Final answer
    x = 328,441.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.