Home / 420,935.00-631,407.98-140,452.25

Finding the Fourth Proportional to 420,935.00, 631,407.98 and 140,452.25

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Solution

The fourth proportional to 420,935.00, 631,407.98 and 140,452.25 is: 210,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,935.00 : 631,407.98 = 140,452.25 : x
  2. Step 2: Convert to fraction form
    420,935.00/631,407.98 = 140,452.25/x
  3. Step 3: Cross multiply
    420,935.00x = 631,407.98 × 140,452.25
  4. Step 4: Simplify right side
    420,935.00x = 88,682,672,335.21
  5. Step 5: Solve for x
    x = 88,682,672,335.21/420,935.00
  6. Step 6: Final answer
    x = 210,680.20

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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.