Home / 324,334.10-486,501.15-212,359.70

Finding the Fourth Proportional to 324,334.10, 486,501.15 and 212,359.70

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Solution

The fourth proportional to 324,334.10, 486,501.15 and 212,359.70 is: 318,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,334.10 : 486,501.15 = 212,359.70 : x
  2. Step 2: Convert to fraction form
    324,334.10/486,501.15 = 212,359.70/x
  3. Step 3: Cross multiply
    324,334.10x = 486,501.15 × 212,359.70
  4. Step 4: Simplify right side
    324,334.10x = 103,313,238,263.66
  5. Step 5: Solve for x
    x = 103,313,238,263.66/324,334.10
  6. Step 6: Final answer
    x = 318,539.55

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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.