Home / 399,140.26-598,392.36-230,469.25

Finding the Fourth Proportional to 399,140.26, 598,392.36 and 230,469.25

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Solution

The fourth proportional to 399,140.26, 598,392.36 and 230,469.25 is: 345,520.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,140.26 : 598,392.36 = 230,469.25 : x
  2. Step 2: Convert to fraction form
    399,140.26/598,392.36 = 230,469.25/x
  3. Step 3: Cross multiply
    399,140.26x = 598,392.36 × 230,469.25
  4. Step 4: Simplify right side
    399,140.26x = 137,911,038,040.94
  5. Step 5: Solve for x
    x = 137,911,038,040.94/399,140.26
  6. Step 6: Final answer
    x = 345,520.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.