Home / 394,077.42-543,827.43-224,311.50

Finding the Fourth Proportional to 394,077.42, 543,827.43 and 224,311.50

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Solution

The fourth proportional to 394,077.42, 543,827.43 and 224,311.50 is: 309,550.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,077.42 : 543,827.43 = 224,311.50 : x
  2. Step 2: Convert to fraction form
    394,077.42/543,827.43 = 224,311.50/x
  3. Step 3: Cross multiply
    394,077.42x = 543,827.43 × 224,311.50
  4. Step 4: Simplify right side
    394,077.42x = 121,986,746,564.45
  5. Step 5: Solve for x
    x = 121,986,746,564.45/394,077.42
  6. Step 6: Final answer
    x = 309,550.21

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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.