Home / 216,623.36-324,913.50-66,823.04

Finding the Fourth Proportional to 216,623.36, 324,913.50 and 66,823.04

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Solution

The fourth proportional to 216,623.36, 324,913.50 and 66,823.04 is: 100,227.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,623.36 : 324,913.50 = 66,823.04 : x
  2. Step 2: Convert to fraction form
    216,623.36/324,913.50 = 66,823.04/x
  3. Step 3: Cross multiply
    216,623.36x = 324,913.50 × 66,823.04
  4. Step 4: Simplify right side
    216,623.36x = 21,711,707,807.04
  5. Step 5: Solve for x
    x = 21,711,707,807.04/216,623.36
  6. Step 6: Final answer
    x = 100,227.92

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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.