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Finding the Fourth Proportional to 404,464.30, 606,610.28 and 120,077.76

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Solution

The fourth proportional to 404,464.30, 606,610.28 and 120,077.76 is: 180,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,464.30 : 606,610.28 = 120,077.76 : x
  2. Step 2: Convert to fraction form
    404,464.30/606,610.28 = 120,077.76/x
  3. Step 3: Cross multiply
    404,464.30x = 606,610.28 × 120,077.76
  4. Step 4: Simplify right side
    404,464.30x = 72,840,403,615.37
  5. Step 5: Solve for x
    x = 72,840,403,615.37/404,464.30
  6. Step 6: Final answer
    x = 180,091.06

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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.