Home / 455,218.80-683,241.30-230,735.40

Finding the Fourth Proportional to 455,218.80, 683,241.30 and 230,735.40

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Solution

The fourth proportional to 455,218.80, 683,241.30 and 230,735.40 is: 346,312.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,218.80 : 683,241.30 = 230,735.40 : x
  2. Step 2: Convert to fraction form
    455,218.80/683,241.30 = 230,735.40/x
  3. Step 3: Cross multiply
    455,218.80x = 683,241.30 × 230,735.40
  4. Step 4: Simplify right side
    455,218.80x = 157,647,954,652.02
  5. Step 5: Solve for x
    x = 157,647,954,652.02/455,218.80
  6. Step 6: Final answer
    x = 346,312.49

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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.