Home / 212,367.20-318,550.41-145,604.93

Finding the Fourth Proportional to 212,367.20, 318,550.41 and 145,604.93

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Solution

The fourth proportional to 212,367.20, 318,550.41 and 145,604.93 is: 218,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,367.20 : 318,550.41 = 145,604.93 : x
  2. Step 2: Convert to fraction form
    212,367.20/318,550.41 = 145,604.93/x
  3. Step 3: Cross multiply
    212,367.20x = 318,550.41 × 145,604.93
  4. Step 4: Simplify right side
    212,367.20x = 46,382,508,556.77
  5. Step 5: Solve for x
    x = 46,382,508,556.77/212,367.20
  6. Step 6: Final answer
    x = 218,407.13

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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.