Home / 286,144.11-394,984.89-245,695.41

Finding the Fourth Proportional to 286,144.11, 394,984.89 and 245,695.41

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Solution

The fourth proportional to 286,144.11, 394,984.89 and 245,695.41 is: 339,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,144.11 : 394,984.89 = 245,695.41 : x
  2. Step 2: Convert to fraction form
    286,144.11/394,984.89 = 245,695.41/x
  3. Step 3: Cross multiply
    286,144.11x = 394,984.89 × 245,695.41
  4. Step 4: Simplify right side
    286,144.11x = 97,045,974,492.35
  5. Step 5: Solve for x
    x = 97,045,974,492.35/286,144.11
  6. Step 6: Final answer
    x = 339,150.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.