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Finding the Fourth Proportional to 404,317.30, 606,366.60 and 120,007.30

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Solution

The fourth proportional to 404,317.30, 606,366.60 and 120,007.30 is: 179,978.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,317.30 : 606,366.60 = 120,007.30 : x
  2. Step 2: Convert to fraction form
    404,317.30/606,366.60 = 120,007.30/x
  3. Step 3: Cross multiply
    404,317.30x = 606,366.60 × 120,007.30
  4. Step 4: Simplify right side
    404,317.30x = 72,768,418,476.18
  5. Step 5: Solve for x
    x = 72,768,418,476.18/404,317.30
  6. Step 6: Final answer
    x = 179,978.49

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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.