Home / 370,021.45-510,631.14-200,255.56

Finding the Fourth Proportional to 370,021.45, 510,631.14 and 200,255.56

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Solution

The fourth proportional to 370,021.45, 510,631.14 and 200,255.56 is: 276,353.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,021.45 : 510,631.14 = 200,255.56 : x
  2. Step 2: Convert to fraction form
    370,021.45/510,631.14 = 200,255.56/x
  3. Step 3: Cross multiply
    370,021.45x = 510,631.14 × 200,255.56
  4. Step 4: Simplify right side
    370,021.45x = 102,256,724,894.14
  5. Step 5: Solve for x
    x = 102,256,724,894.14/370,021.45
  6. Step 6: Final answer
    x = 276,353.51

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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.