Home / 369,974.35-510,565.05-200,208.47

Finding the Fourth Proportional to 369,974.35, 510,565.05 and 200,208.47

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Solution

The fourth proportional to 369,974.35, 510,565.05 and 200,208.47 is: 276,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,974.35 : 510,565.05 = 200,208.47 : x
  2. Step 2: Convert to fraction form
    369,974.35/510,565.05 = 200,208.47/x
  3. Step 3: Cross multiply
    369,974.35x = 510,565.05 × 200,208.47
  4. Step 4: Simplify right side
    369,974.35x = 102,219,448,772.39
  5. Step 5: Solve for x
    x = 102,219,448,772.39/369,974.35
  6. Step 6: Final answer
    x = 276,287.94

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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.