Home / 490,932.90-736,788.15-191,556.90

Finding the Fourth Proportional to 490,932.90, 736,788.15 and 191,556.90

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Solution

The fourth proportional to 490,932.90, 736,788.15 and 191,556.90 is: 287,487.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,932.90 : 736,788.15 = 191,556.90 : x
  2. Step 2: Convert to fraction form
    490,932.90/736,788.15 = 191,556.90/x
  3. Step 3: Cross multiply
    490,932.90x = 736,788.15 × 191,556.90
  4. Step 4: Simplify right side
    490,932.90x = 141,136,853,970.74
  5. Step 5: Solve for x
    x = 141,136,853,970.74/490,932.90
  6. Step 6: Final answer
    x = 287,487.06

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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.