Home / 216,941.96-325,642.98-192,143

Finding the Fourth Proportional to 216,941.96, 325,642.98 and 192,143

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Solution

The fourth proportional to 216,941.96, 325,642.98 and 192,143 is: 288,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,941.96 : 325,642.98 = 192,143 : x
  2. Step 2: Convert to fraction form
    216,941.96/325,642.98 = 192,143/x
  3. Step 3: Cross multiply
    216,941.96x = 325,642.98 × 192,143
  4. Step 4: Simplify right side
    216,941.96x = 62,570,019,106.14
  5. Step 5: Solve for x
    x = 62,570,019,106.14/216,941.96
  6. Step 6: Final answer
    x = 288,418.24

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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.