Home / 216,500.43-324,667.62-74,319.21

Finding the Fourth Proportional to 216,500.43, 324,667.62 and 74,319.21

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Solution

The fourth proportional to 216,500.43, 324,667.62 and 74,319.21 is: 111,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,500.43 : 324,667.62 = 74,319.21 : x
  2. Step 2: Convert to fraction form
    216,500.43/324,667.62 = 74,319.21/x
  3. Step 3: Cross multiply
    216,500.43x = 324,667.62 × 74,319.21
  4. Step 4: Simplify right side
    216,500.43x = 24,129,041,030.98
  5. Step 5: Solve for x
    x = 24,129,041,030.98/216,500.43
  6. Step 6: Final answer
    x = 111,450.31

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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.