Home / 455,986.26-683,962.92-140,435.10

Finding the Fourth Proportional to 455,986.26, 683,962.92 and 140,435.10

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Solution

The fourth proportional to 455,986.26, 683,962.92 and 140,435.10 is: 210,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,986.26 : 683,962.92 = 140,435.10 : x
  2. Step 2: Convert to fraction form
    455,986.26/683,962.92 = 140,435.10/x
  3. Step 3: Cross multiply
    455,986.26x = 683,962.92 × 140,435.10
  4. Step 4: Simplify right side
    455,986.26x = 96,052,401,066.49
  5. Step 5: Solve for x
    x = 96,052,401,066.49/455,986.26
  6. Step 6: Final answer
    x = 210,647.58

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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.