Home / 207,938.10-311,446.35-161,038.90

Finding the Fourth Proportional to 207,938.10, 311,446.35 and 161,038.90

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Solution

The fourth proportional to 207,938.10, 311,446.35 and 161,038.90 is: 241,201.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,938.10 : 311,446.35 = 161,038.90 : x
  2. Step 2: Convert to fraction form
    207,938.10/311,446.35 = 161,038.90/x
  3. Step 3: Cross multiply
    207,938.10x = 311,446.35 × 161,038.90
  4. Step 4: Simplify right side
    207,938.10x = 50,154,977,613.02
  5. Step 5: Solve for x
    x = 50,154,977,613.02/207,938.10
  6. Step 6: Final answer
    x = 241,201.48

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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.