Home / 271,817.10-407,466.45-211,812.30

Finding the Fourth Proportional to 271,817.10, 407,466.45 and 211,812.30

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Solution

The fourth proportional to 271,817.10, 407,466.45 and 211,812.30 is: 317,516.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,817.10 : 407,466.45 = 211,812.30 : x
  2. Step 2: Convert to fraction form
    271,817.10/407,466.45 = 211,812.30/x
  3. Step 3: Cross multiply
    271,817.10x = 407,466.45 × 211,812.30
  4. Step 4: Simplify right side
    271,817.10x = 86,306,405,947.34
  5. Step 5: Solve for x
    x = 86,306,405,947.34/271,817.10
  6. Step 6: Final answer
    x = 317,516.47

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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.