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Finding the Fourth Proportional to 216,269.68, 324,404.46 and 157,479.47

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Solution

The fourth proportional to 216,269.68, 324,404.46 and 157,479.47 is: 236,219.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,269.68 : 324,404.46 = 157,479.47 : x
  2. Step 2: Convert to fraction form
    216,269.68/324,404.46 = 157,479.47/x
  3. Step 3: Cross multiply
    216,269.68x = 324,404.46 × 157,479.47
  4. Step 4: Simplify right side
    216,269.68x = 51,087,042,426.44
  5. Step 5: Solve for x
    x = 51,087,042,426.44/216,269.68
  6. Step 6: Final answer
    x = 236,219.16

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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.