Home / 455,877.90-683,825.66-140,334.50

Finding the Fourth Proportional to 455,877.90, 683,825.66 and 140,334.50

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Solution

The fourth proportional to 455,877.90, 683,825.66 and 140,334.50 is: 210,504.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,877.90 : 683,825.66 = 140,334.50 : x
  2. Step 2: Convert to fraction form
    455,877.90/683,825.66 = 140,334.50/x
  3. Step 3: Cross multiply
    455,877.90x = 683,825.66 × 140,334.50
  4. Step 4: Simplify right side
    455,877.90x = 95,964,332,083.27
  5. Step 5: Solve for x
    x = 95,964,332,083.27/455,877.90
  6. Step 6: Final answer
    x = 210,504.46

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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.