Home / 216,665.70-324,317.39-148,800.36

Finding the Fourth Proportional to 216,665.70, 324,317.39 and 148,800.36

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Solution

The fourth proportional to 216,665.70, 324,317.39 and 148,800.36 is: 222,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,665.70 : 324,317.39 = 148,800.36 : x
  2. Step 2: Convert to fraction form
    216,665.70/324,317.39 = 148,800.36/x
  3. Step 3: Cross multiply
    216,665.70x = 324,317.39 × 148,800.36
  4. Step 4: Simplify right side
    216,665.70x = 48,258,544,386.26
  5. Step 5: Solve for x
    x = 48,258,544,386.26/216,665.70
  6. Step 6: Final answer
    x = 222,732.74

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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.