Home / 216,011.27-324,071.62-66,259.22

Finding the Fourth Proportional to 216,011.27, 324,071.62 and 66,259.22

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Solution

The fourth proportional to 216,011.27, 324,071.62 and 66,259.22 is: 99,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,011.27 : 324,071.62 = 66,259.22 : x
  2. Step 2: Convert to fraction form
    216,011.27/324,071.62 = 66,259.22/x
  3. Step 3: Cross multiply
    216,011.27x = 324,071.62 × 66,259.22
  4. Step 4: Simplify right side
    216,011.27x = 21,472,730,979.33
  5. Step 5: Solve for x
    x = 21,472,730,979.33/216,011.27
  6. Step 6: Final answer
    x = 99,405.60

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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.