Home / 370,126.20-510,773.58-200,360.28

Finding the Fourth Proportional to 370,126.20, 510,773.58 and 200,360.28

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Solution

The fourth proportional to 370,126.20, 510,773.58 and 200,360.28 is: 276,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,126.20 : 510,773.58 = 200,360.28 : x
  2. Step 2: Convert to fraction form
    370,126.20/510,773.58 = 200,360.28/x
  3. Step 3: Cross multiply
    370,126.20x = 510,773.58 × 200,360.28
  4. Step 4: Simplify right side
    370,126.20x = 102,338,737,505.40
  5. Step 5: Solve for x
    x = 102,338,737,505.40/370,126.20
  6. Step 6: Final answer
    x = 276,496.87

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1.5x scale

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.