Home / 228,867.56-343,194.78-86,740.04

Finding the Fourth Proportional to 228,867.56, 343,194.78 and 86,740.04

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Solution

The fourth proportional to 228,867.56, 343,194.78 and 86,740.04 is: 130,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,867.56 : 343,194.78 = 86,740.04 : x
  2. Step 2: Convert to fraction form
    228,867.56/343,194.78 = 86,740.04/x
  3. Step 3: Cross multiply
    228,867.56x = 343,194.78 × 86,740.04
  4. Step 4: Simplify right side
    228,867.56x = 29,768,728,944.99
  5. Step 5: Solve for x
    x = 29,768,728,944.99/228,867.56
  6. Step 6: Final answer
    x = 130,069.67

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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.