Home / 455,419.28-683,365.34-185,745.26

Finding the Fourth Proportional to 455,419.28, 683,365.34 and 185,745.26

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Solution

The fourth proportional to 455,419.28, 683,365.34 and 185,745.26 is: 278,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,419.28 : 683,365.34 = 185,745.26 : x
  2. Step 2: Convert to fraction form
    455,419.28/683,365.34 = 185,745.26/x
  3. Step 3: Cross multiply
    455,419.28x = 683,365.34 × 185,745.26
  4. Step 4: Simplify right side
    455,419.28x = 126,931,874,926.07
  5. Step 5: Solve for x
    x = 126,931,874,926.07/455,419.28
  6. Step 6: Final answer
    x = 278,714.32

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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.