Home / 411,786.42-617,729.58-145,492.44

Finding the Fourth Proportional to 411,786.42, 617,729.58 and 145,492.44

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Solution

The fourth proportional to 411,786.42, 617,729.58 and 145,492.44 is: 218,256.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,786.42 : 617,729.58 = 145,492.44 : x
  2. Step 2: Convert to fraction form
    411,786.42/617,729.58 = 145,492.44/x
  3. Step 3: Cross multiply
    411,786.42x = 617,729.58 × 145,492.44
  4. Step 4: Simplify right side
    411,786.42x = 89,874,983,854.38
  5. Step 5: Solve for x
    x = 89,874,983,854.38/411,786.42
  6. Step 6: Final answer
    x = 218,256.31

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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.