Home / 216,473.09-324,572.09-189,872.50

Finding the Fourth Proportional to 216,473.09, 324,572.09 and 189,872.50

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Solution

The fourth proportional to 216,473.09, 324,572.09 and 189,872.50 is: 284,688.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,473.09 : 324,572.09 = 189,872.50 : x
  2. Step 2: Convert to fraction form
    216,473.09/324,572.09 = 189,872.50/x
  3. Step 3: Cross multiply
    216,473.09x = 324,572.09 × 189,872.50
  4. Step 4: Simplify right side
    216,473.09x = 61,627,313,683.84
  5. Step 5: Solve for x
    x = 61,627,313,683.84/216,473.09
  6. Step 6: Final answer
    x = 284,688.11

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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.