Home / 380,517.41-525,117.89-229,585.25

Finding the Fourth Proportional to 380,517.41, 525,117.89 and 229,585.25

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Solution

The fourth proportional to 380,517.41, 525,117.89 and 229,585.25 is: 316,829.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,517.41 : 525,117.89 = 229,585.25 : x
  2. Step 2: Convert to fraction form
    380,517.41/525,117.89 = 229,585.25/x
  3. Step 3: Cross multiply
    380,517.41x = 525,117.89 × 229,585.25
  4. Step 4: Simplify right side
    380,517.41x = 120,559,320,907.20
  5. Step 5: Solve for x
    x = 120,559,320,907.20/380,517.41
  6. Step 6: Final answer
    x = 316,829.97

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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.