Home / 658,167.20-987,347.36-208,738.24

Finding the Fourth Proportional to 658,167.20, 987,347.36 and 208,738.24

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Solution

The fourth proportional to 658,167.20, 987,347.36 and 208,738.24 is: 313,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,167.20 : 987,347.36 = 208,738.24 : x
  2. Step 2: Convert to fraction form
    658,167.20/987,347.36 = 208,738.24/x
  3. Step 3: Cross multiply
    658,167.20x = 987,347.36 × 208,738.24
  4. Step 4: Simplify right side
    658,167.20x = 206,097,150,195.05
  5. Step 5: Solve for x
    x = 206,097,150,195.05/658,167.20
  6. Step 6: Final answer
    x = 313,137.98

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1.5x scale

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.