Home / 228,788.83-315,621.79-143,952.67

Finding the Fourth Proportional to 228,788.83, 315,621.79 and 143,952.67

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Solution

The fourth proportional to 228,788.83, 315,621.79 and 143,952.67 is: 198,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,788.83 : 315,621.79 = 143,952.67 : x
  2. Step 2: Convert to fraction form
    228,788.83/315,621.79 = 143,952.67/x
  3. Step 3: Cross multiply
    228,788.83x = 315,621.79 × 143,952.67
  4. Step 4: Simplify right side
    228,788.83x = 45,434,599,380.68
  5. Step 5: Solve for x
    x = 45,434,599,380.68/228,788.83
  6. Step 6: Final answer
    x = 198,587.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.