Home / 471,290.02-650,168.85-318,278.50

Finding the Fourth Proportional to 471,290.02, 650,168.85 and 318,278.50

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Solution

The fourth proportional to 471,290.02, 650,168.85 and 318,278.50 is: 439,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,290.02 : 650,168.85 = 318,278.50 : x
  2. Step 2: Convert to fraction form
    471,290.02/650,168.85 = 318,278.50/x
  3. Step 3: Cross multiply
    471,290.02x = 650,168.85 × 318,278.50
  4. Step 4: Simplify right side
    471,290.02x = 206,934,766,324.73
  5. Step 5: Solve for x
    x = 206,934,766,324.73/471,290.02
  6. Step 6: Final answer
    x = 439,081.58

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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.