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Finding the Fourth Proportional to 605,145.60, 907,329.60 and 250,300.80

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Solution

The fourth proportional to 605,145.60, 907,329.60 and 250,300.80 is: 375,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,145.60 : 907,329.60 = 250,300.80 : x
  2. Step 2: Convert to fraction form
    605,145.60/907,329.60 = 250,300.80/x
  3. Step 3: Cross multiply
    605,145.60x = 907,329.60 × 250,300.80
  4. Step 4: Simplify right side
    605,145.60x = 227,105,324,743.68
  5. Step 5: Solve for x
    x = 227,105,324,743.68/605,145.60
  6. Step 6: Final answer
    x = 375,290.38

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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.