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Finding the Fourth Proportional to 376,570, 565,088.44 and 218,872.72

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Solution

The fourth proportional to 376,570, 565,088.44 and 218,872.72 is: 328,444.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,570 : 565,088.44 = 218,872.72 : x
  2. Step 2: Convert to fraction form
    376,570/565,088.44 = 218,872.72/x
  3. Step 3: Cross multiply
    376,570x = 565,088.44 × 218,872.72
  4. Step 4: Simplify right side
    376,570x = 123,682,443,903.36
  5. Step 5: Solve for x
    x = 123,682,443,903.36/376,570
  6. Step 6: Final answer
    x = 328,444.76

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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.