Home / 380,517.47-525,117.97-229,585.31

Finding the Fourth Proportional to 380,517.47, 525,117.97 and 229,585.31

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Solution

The fourth proportional to 380,517.47, 525,117.97 and 229,585.31 is: 316,830.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,517.47 : 525,117.97 = 229,585.31 : x
  2. Step 2: Convert to fraction form
    380,517.47/525,117.97 = 229,585.31/x
  3. Step 3: Cross multiply
    380,517.47x = 525,117.97 × 229,585.31
  4. Step 4: Simplify right side
    380,517.47x = 120,559,373,528.80
  5. Step 5: Solve for x
    x = 120,559,373,528.80/380,517.47
  6. Step 6: Final answer
    x = 316,830.06

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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.