Home / 216,012.20-324,407.10-156,914.60

Finding the Fourth Proportional to 216,012.20, 324,407.10 and 156,914.60

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Solution

The fourth proportional to 216,012.20, 324,407.10 and 156,914.60 is: 235,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,012.20 : 324,407.10 = 156,914.60 : x
  2. Step 2: Convert to fraction form
    216,012.20/324,407.10 = 156,914.60/x
  3. Step 3: Cross multiply
    216,012.20x = 324,407.10 × 156,914.60
  4. Step 4: Simplify right side
    216,012.20x = 50,904,210,333.66
  5. Step 5: Solve for x
    x = 50,904,210,333.66/216,012.20
  6. Step 6: Final answer
    x = 235,654.33

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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.