Home / 610,868.18-916,082.70-211,400.48

Finding the Fourth Proportional to 610,868.18, 916,082.70 and 211,400.48

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Solution

The fourth proportional to 610,868.18, 916,082.70 and 211,400.48 is: 317,024.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,868.18 : 916,082.70 = 211,400.48 : x
  2. Step 2: Convert to fraction form
    610,868.18/916,082.70 = 211,400.48/x
  3. Step 3: Cross multiply
    610,868.18x = 916,082.70 × 211,400.48
  4. Step 4: Simplify right side
    610,868.18x = 193,660,322,499.70
  5. Step 5: Solve for x
    x = 193,660,322,499.70/610,868.18
  6. Step 6: Final answer
    x = 317,024.73

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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.