Home / 331,352.90-497,029.35-213,157.70

Finding the Fourth Proportional to 331,352.90, 497,029.35 and 213,157.70

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Solution

The fourth proportional to 331,352.90, 497,029.35 and 213,157.70 is: 319,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,352.90 : 497,029.35 = 213,157.70 : x
  2. Step 2: Convert to fraction form
    331,352.90/497,029.35 = 213,157.70/x
  3. Step 3: Cross multiply
    331,352.90x = 497,029.35 × 213,157.70
  4. Step 4: Simplify right side
    331,352.90x = 105,945,633,078.50
  5. Step 5: Solve for x
    x = 105,945,633,078.50/331,352.90
  6. Step 6: Final answer
    x = 319,736.55

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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.