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Finding the Fourth Proportional to 435,939.60, 654,427.80 and 246,550.80

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Solution

The fourth proportional to 435,939.60, 654,427.80 and 246,550.80 is: 370,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,939.60 : 654,427.80 = 246,550.80 : x
  2. Step 2: Convert to fraction form
    435,939.60/654,427.80 = 246,550.80/x
  3. Step 3: Cross multiply
    435,939.60x = 654,427.80 × 246,550.80
  4. Step 4: Simplify right side
    435,939.60x = 161,349,697,632.24
  5. Step 5: Solve for x
    x = 161,349,697,632.24/435,939.60
  6. Step 6: Final answer
    x = 370,119.39

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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.