Home / 394,328.10-591,492.15-236,475.30

Finding the Fourth Proportional to 394,328.10, 591,492.15 and 236,475.30

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Solution

The fourth proportional to 394,328.10, 591,492.15 and 236,475.30 is: 354,712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,328.10 : 591,492.15 = 236,475.30 : x
  2. Step 2: Convert to fraction form
    394,328.10/591,492.15 = 236,475.30/x
  3. Step 3: Cross multiply
    394,328.10x = 591,492.15 × 236,475.30
  4. Step 4: Simplify right side
    394,328.10x = 139,873,283,618.90
  5. Step 5: Solve for x
    x = 139,873,283,618.90/394,328.10
  6. Step 6: Final answer
    x = 354,712.95

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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.