Home / 394,056.56-543,798.66-224,290.69

Finding the Fourth Proportional to 394,056.56, 543,798.66 and 224,290.69

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Solution

The fourth proportional to 394,056.56, 543,798.66 and 224,290.69 is: 309,521.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,056.56 : 543,798.66 = 224,290.69 : x
  2. Step 2: Convert to fraction form
    394,056.56/543,798.66 = 224,290.69/x
  3. Step 3: Cross multiply
    394,056.56x = 543,798.66 × 224,290.69
  4. Step 4: Simplify right side
    394,056.56x = 121,968,976,154.07
  5. Step 5: Solve for x
    x = 121,968,976,154.07/394,056.56
  6. Step 6: Final answer
    x = 309,521.49

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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.