Home / 455,748.48-683,414.96-189,350.01

Finding the Fourth Proportional to 455,748.48, 683,414.96 and 189,350.01

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Solution

The fourth proportional to 455,748.48, 683,414.96 and 189,350.01 is: 283,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,748.48 : 683,414.96 = 189,350.01 : x
  2. Step 2: Convert to fraction form
    455,748.48/683,414.96 = 189,350.01/x
  3. Step 3: Cross multiply
    455,748.48x = 683,414.96 × 189,350.01
  4. Step 4: Simplify right side
    455,748.48x = 129,404,628,563.40
  5. Step 5: Solve for x
    x = 129,404,628,563.40/455,748.48
  6. Step 6: Final answer
    x = 283,938.69

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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.