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Finding the Fourth Proportional to 550,366.76, 825,550.16 and 251,431.20

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Solution

The fourth proportional to 550,366.76, 825,550.16 and 251,431.20 is: 377,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,366.76 : 825,550.16 = 251,431.20 : x
  2. Step 2: Convert to fraction form
    550,366.76/825,550.16 = 251,431.20/x
  3. Step 3: Cross multiply
    550,366.76x = 825,550.16 × 251,431.20
  4. Step 4: Simplify right side
    550,366.76x = 207,569,066,131.84
  5. Step 5: Solve for x
    x = 207,569,066,131.84/550,366.76
  6. Step 6: Final answer
    x = 377,146.81

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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.