Home / 255,819.33-383,995.17-188,427.47

Finding the Fourth Proportional to 255,819.33, 383,995.17 and 188,427.47

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Solution

The fourth proportional to 255,819.33, 383,995.17 and 188,427.47 is: 282,837.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,819.33 : 383,995.17 = 188,427.47 : x
  2. Step 2: Convert to fraction form
    255,819.33/383,995.17 = 188,427.47/x
  3. Step 3: Cross multiply
    255,819.33x = 383,995.17 × 188,427.47
  4. Step 4: Simplify right side
    255,819.33x = 72,355,236,455.34
  5. Step 5: Solve for x
    x = 72,355,236,455.34/255,819.33
  6. Step 6: Final answer
    x = 282,837.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.