Home / 216,344.31-324,516.68-56,420.12

Finding the Fourth Proportional to 216,344.31, 324,516.68 and 56,420.12

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Solution

The fourth proportional to 216,344.31, 324,516.68 and 56,420.12 is: 84,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,344.31 : 324,516.68 = 56,420.12 : x
  2. Step 2: Convert to fraction form
    216,344.31/324,516.68 = 56,420.12/x
  3. Step 3: Cross multiply
    216,344.31x = 324,516.68 × 56,420.12
  4. Step 4: Simplify right side
    216,344.31x = 18,309,270,027.60
  5. Step 5: Solve for x
    x = 18,309,270,027.60/216,344.31
  6. Step 6: Final answer
    x = 84,630.24

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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.