Home / 268,985.66-402,481.86-197,960.76

Finding the Fourth Proportional to 268,985.66, 402,481.86 and 197,960.76

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Solution

The fourth proportional to 268,985.66, 402,481.86 and 197,960.76 is: 296,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,985.66 : 402,481.86 = 197,960.76 : x
  2. Step 2: Convert to fraction form
    268,985.66/402,481.86 = 197,960.76/x
  3. Step 3: Cross multiply
    268,985.66x = 402,481.86 × 197,960.76
  4. Step 4: Simplify right side
    268,985.66x = 79,675,615,262.99
  5. Step 5: Solve for x
    x = 79,675,615,262.99/268,985.66
  6. Step 6: Final answer
    x = 296,207.67

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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.