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Finding the Fourth Proportional to 271,325.70, 406,988.55 and 187,344.90

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Solution

The fourth proportional to 271,325.70, 406,988.55 and 187,344.90 is: 281,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,325.70 : 406,988.55 = 187,344.90 : x
  2. Step 2: Convert to fraction form
    271,325.70/406,988.55 = 187,344.90/x
  3. Step 3: Cross multiply
    271,325.70x = 406,988.55 × 187,344.90
  4. Step 4: Simplify right side
    271,325.70x = 76,247,229,200.90
  5. Step 5: Solve for x
    x = 76,247,229,200.90/271,325.70
  6. Step 6: Final answer
    x = 281,017.35

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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.