Home / 407,166.12-610,791.03-140,926.20

Finding the Fourth Proportional to 407,166.12, 610,791.03 and 140,926.20

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Solution

The fourth proportional to 407,166.12, 610,791.03 and 140,926.20 is: 211,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,166.12 : 610,791.03 = 140,926.20 : x
  2. Step 2: Convert to fraction form
    407,166.12/610,791.03 = 140,926.20/x
  3. Step 3: Cross multiply
    407,166.12x = 610,791.03 × 140,926.20
  4. Step 4: Simplify right side
    407,166.12x = 86,076,458,851.99
  5. Step 5: Solve for x
    x = 86,076,458,851.99/407,166.12
  6. Step 6: Final answer
    x = 211,403.78

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1.5x scale

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.