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Finding the Fourth Proportional to 404,150.40, 605,059.20 and 357,494.40

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Solution

The fourth proportional to 404,150.40, 605,059.20 and 357,494.40 is: 535,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,150.40 : 605,059.20 = 357,494.40 : x
  2. Step 2: Convert to fraction form
    404,150.40/605,059.20 = 357,494.40/x
  3. Step 3: Cross multiply
    404,150.40x = 605,059.20 × 357,494.40
  4. Step 4: Simplify right side
    404,150.40x = 216,305,275,668.48
  5. Step 5: Solve for x
    x = 216,305,275,668.48/404,150.40
  6. Step 6: Final answer
    x = 535,209.85

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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.