Home / 216,211.86-324,318.96-141,803.21

Finding the Fourth Proportional to 216,211.86, 324,318.96 and 141,803.21

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Solution

The fourth proportional to 216,211.86, 324,318.96 and 141,803.21 is: 212,705.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,211.86 : 324,318.96 = 141,803.21 : x
  2. Step 2: Convert to fraction form
    216,211.86/324,318.96 = 141,803.21/x
  3. Step 3: Cross multiply
    216,211.86x = 324,318.96 × 141,803.21
  4. Step 4: Simplify right side
    216,211.86x = 45,989,470,402.66
  5. Step 5: Solve for x
    x = 45,989,470,402.66/216,211.86
  6. Step 6: Final answer
    x = 212,705.59

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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.