Home / 216,118.05-324,151.56-58,358.81

Finding the Fourth Proportional to 216,118.05, 324,151.56 and 58,358.81

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Solution

The fourth proportional to 216,118.05, 324,151.56 and 58,358.81 is: 87,531.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,118.05 : 324,151.56 = 58,358.81 : x
  2. Step 2: Convert to fraction form
    216,118.05/324,151.56 = 58,358.81/x
  3. Step 3: Cross multiply
    216,118.05x = 324,151.56 × 58,358.81
  4. Step 4: Simplify right side
    216,118.05x = 18,917,097,680.49
  5. Step 5: Solve for x
    x = 18,917,097,680.49/216,118.05
  6. Step 6: Final answer
    x = 87,531.32

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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.