Home / 370,031.67-510,645.20-200,265.75

Finding the Fourth Proportional to 370,031.67, 510,645.20 and 200,265.75

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Solution

The fourth proportional to 370,031.67, 510,645.20 and 200,265.75 is: 276,367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,031.67 : 510,645.20 = 200,265.75 : x
  2. Step 2: Convert to fraction form
    370,031.67/510,645.20 = 200,265.75/x
  3. Step 3: Cross multiply
    370,031.67x = 510,645.20 × 200,265.75
  4. Step 4: Simplify right side
    370,031.67x = 102,264,743,961.90
  5. Step 5: Solve for x
    x = 102,264,743,961.90/370,031.67
  6. Step 6: Final answer
    x = 276,367.54

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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.