Home / 216,025.80-324,038.70-192,406.20

Finding the Fourth Proportional to 216,025.80, 324,038.70 and 192,406.20

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Solution

The fourth proportional to 216,025.80, 324,038.70 and 192,406.20 is: 288,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,025.80 : 324,038.70 = 192,406.20 : x
  2. Step 2: Convert to fraction form
    216,025.80/324,038.70 = 192,406.20/x
  3. Step 3: Cross multiply
    216,025.80x = 324,038.70 × 192,406.20
  4. Step 4: Simplify right side
    216,025.80x = 62,347,054,919.94
  5. Step 5: Solve for x
    x = 62,347,054,919.94/216,025.80
  6. Step 6: Final answer
    x = 288,609.30

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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.