Home / 394,046.57-543,811.93-224,280.70

Finding the Fourth Proportional to 394,046.57, 543,811.93 and 224,280.70

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Solution

The fourth proportional to 394,046.57, 543,811.93 and 224,280.70 is: 309,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,046.57 : 543,811.93 = 224,280.70 : x
  2. Step 2: Convert to fraction form
    394,046.57/543,811.93 = 224,280.70/x
  3. Step 3: Cross multiply
    394,046.57x = 543,811.93 × 224,280.70
  4. Step 4: Simplify right side
    394,046.57x = 121,966,518,408.52
  5. Step 5: Solve for x
    x = 121,966,518,408.52/394,046.57
  6. Step 6: Final answer
    x = 309,523.10

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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.