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Finding the Fourth Proportional to 544,569.84, 816,855.12 and 170,622

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Solution

The fourth proportional to 544,569.84, 816,855.12 and 170,622 is: 255,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,569.84 : 816,855.12 = 170,622 : x
  2. Step 2: Convert to fraction form
    544,569.84/816,855.12 = 170,622/x
  3. Step 3: Cross multiply
    544,569.84x = 816,855.12 × 170,622
  4. Step 4: Simplify right side
    544,569.84x = 139,373,454,284.64
  5. Step 5: Solve for x
    x = 139,373,454,284.64/544,569.84
  6. Step 6: Final answer
    x = 255,933.11

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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.