Home / 411,787.42-617,731.08-145,493.44

Finding the Fourth Proportional to 411,787.42, 617,731.08 and 145,493.44

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Solution

The fourth proportional to 411,787.42, 617,731.08 and 145,493.44 is: 218,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,787.42 : 617,731.08 = 145,493.44 : x
  2. Step 2: Convert to fraction form
    411,787.42/617,731.08 = 145,493.44/x
  3. Step 3: Cross multiply
    411,787.42x = 617,731.08 × 145,493.44
  4. Step 4: Simplify right side
    411,787.42x = 89,875,819,824.12
  5. Step 5: Solve for x
    x = 89,875,819,824.12/411,787.42
  6. Step 6: Final answer
    x = 218,257.81

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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.