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Finding the Fourth Proportional to 608,401.80, 913,121.10 and 271,960.20

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Solution

The fourth proportional to 608,401.80, 913,121.10 and 271,960.20 is: 408,172.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,401.80 : 913,121.10 = 271,960.20 : x
  2. Step 2: Convert to fraction form
    608,401.80/913,121.10 = 271,960.20/x
  3. Step 3: Cross multiply
    608,401.80x = 913,121.10 × 271,960.20
  4. Step 4: Simplify right side
    608,401.80x = 248,332,596,980.22
  5. Step 5: Solve for x
    x = 248,332,596,980.22/608,401.80
  6. Step 6: Final answer
    x = 408,172.03

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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.