Home / 216,294.83-324,331.48-115,150.34

Finding the Fourth Proportional to 216,294.83, 324,331.48 and 115,150.34

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Solution

The fourth proportional to 216,294.83, 324,331.48 and 115,150.34 is: 172,666.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,294.83 : 324,331.48 = 115,150.34 : x
  2. Step 2: Convert to fraction form
    216,294.83/324,331.48 = 115,150.34/x
  3. Step 3: Cross multiply
    216,294.83x = 324,331.48 × 115,150.34
  4. Step 4: Simplify right side
    216,294.83x = 37,346,880,194.70
  5. Step 5: Solve for x
    x = 37,346,880,194.70/216,294.83
  6. Step 6: Final answer
    x = 172,666.54

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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.