Home / 216,615.05-324,802.47-88,621.18

Finding the Fourth Proportional to 216,615.05, 324,802.47 and 88,621.18

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Solution

The fourth proportional to 216,615.05, 324,802.47 and 88,621.18 is: 132,882.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,615.05 : 324,802.47 = 88,621.18 : x
  2. Step 2: Convert to fraction form
    216,615.05/324,802.47 = 88,621.18/x
  3. Step 3: Cross multiply
    216,615.05x = 324,802.47 × 88,621.18
  4. Step 4: Simplify right side
    216,615.05x = 28,784,377,678.64
  5. Step 5: Solve for x
    x = 28,784,377,678.64/216,615.05
  6. Step 6: Final answer
    x = 132,882.63

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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.