Home / 369,965.48-510,553.78-200,199.64

Finding the Fourth Proportional to 369,965.48, 510,553.78 and 200,199.64

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Solution

The fourth proportional to 369,965.48, 510,553.78 and 200,199.64 is: 276,276.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,965.48 : 510,553.78 = 200,199.64 : x
  2. Step 2: Convert to fraction form
    369,965.48/510,553.78 = 200,199.64/x
  3. Step 3: Cross multiply
    369,965.48x = 510,553.78 × 200,199.64
  4. Step 4: Simplify right side
    369,965.48x = 102,212,682,956.64
  5. Step 5: Solve for x
    x = 102,212,682,956.64/369,965.48
  6. Step 6: Final answer
    x = 276,276.27

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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.