Home / 461,745.20-637,100.16-280,452.08

Finding the Fourth Proportional to 461,745.20, 637,100.16 and 280,452.08

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Solution

The fourth proportional to 461,745.20, 637,100.16 and 280,452.08 is: 386,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,745.20 : 637,100.16 = 280,452.08 : x
  2. Step 2: Convert to fraction form
    461,745.20/637,100.16 = 280,452.08/x
  3. Step 3: Cross multiply
    461,745.20x = 637,100.16 × 280,452.08
  4. Step 4: Simplify right side
    461,745.20x = 178,676,065,040.33
  5. Step 5: Solve for x
    x = 178,676,065,040.33/461,745.20
  6. Step 6: Final answer
    x = 386,958.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.