Home / 205,037.40-307,556.10-188,448.60

Finding the Fourth Proportional to 205,037.40, 307,556.10 and 188,448.60

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Solution

The fourth proportional to 205,037.40, 307,556.10 and 188,448.60 is: 282,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,037.40 : 307,556.10 = 188,448.60 : x
  2. Step 2: Convert to fraction form
    205,037.40/307,556.10 = 188,448.60/x
  3. Step 3: Cross multiply
    205,037.40x = 307,556.10 × 188,448.60
  4. Step 4: Simplify right side
    205,037.40x = 57,958,516,466.46
  5. Step 5: Solve for x
    x = 57,958,516,466.46/205,037.40
  6. Step 6: Final answer
    x = 282,672.90

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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.