Home / 380,924.13-525,679.97-219,812.70

Finding the Fourth Proportional to 380,924.13, 525,679.97 and 219,812.70

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Solution

The fourth proportional to 380,924.13, 525,679.97 and 219,812.70 is: 303,344.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,924.13 : 525,679.97 = 219,812.70 : x
  2. Step 2: Convert to fraction form
    380,924.13/525,679.97 = 219,812.70/x
  3. Step 3: Cross multiply
    380,924.13x = 525,679.97 × 219,812.70
  4. Step 4: Simplify right side
    380,924.13x = 115,551,132,442.56
  5. Step 5: Solve for x
    x = 115,551,132,442.56/380,924.13
  6. Step 6: Final answer
    x = 303,344.22

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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.