Home / 471,942.10-651,276.78-257,082.18

Finding the Fourth Proportional to 471,942.10, 651,276.78 and 257,082.18

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Solution

The fourth proportional to 471,942.10, 651,276.78 and 257,082.18 is: 354,771.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,942.10 : 651,276.78 = 257,082.18 : x
  2. Step 2: Convert to fraction form
    471,942.10/651,276.78 = 257,082.18/x
  3. Step 3: Cross multiply
    471,942.10x = 651,276.78 × 257,082.18
  4. Step 4: Simplify right side
    471,942.10x = 167,431,649,843.99
  5. Step 5: Solve for x
    x = 167,431,649,843.99/471,942.10
  6. Step 6: Final answer
    x = 354,771.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.