Home / 216,394.74-324,592.11-141,985.71

Finding the Fourth Proportional to 216,394.74, 324,592.11 and 141,985.71

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Solution

The fourth proportional to 216,394.74, 324,592.11 and 141,985.71 is: 212,978.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,394.74 : 324,592.11 = 141,985.71 : x
  2. Step 2: Convert to fraction form
    216,394.74/324,592.11 = 141,985.71/x
  3. Step 3: Cross multiply
    216,394.74x = 324,592.11 × 141,985.71
  4. Step 4: Simplify right side
    216,394.74x = 46,087,441,198.75
  5. Step 5: Solve for x
    x = 46,087,441,198.75/216,394.74
  6. Step 6: Final answer
    x = 212,978.57

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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.