Home / 268,814.46-402,940.08-100,266.96

Finding the Fourth Proportional to 268,814.46, 402,940.08 and 100,266.96

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Solution

The fourth proportional to 268,814.46, 402,940.08 and 100,266.96 is: 150,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,814.46 : 402,940.08 = 100,266.96 : x
  2. Step 2: Convert to fraction form
    268,814.46/402,940.08 = 100,266.96/x
  3. Step 3: Cross multiply
    268,814.46x = 402,940.08 × 100,266.96
  4. Step 4: Simplify right side
    268,814.46x = 40,401,576,883.76
  5. Step 5: Solve for x
    x = 40,401,576,883.76/268,814.46
  6. Step 6: Final answer
    x = 150,295.40

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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.