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Finding the Fourth Proportional to 377,201.44, 520,527.60 and 207,435.57

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Solution

The fourth proportional to 377,201.44, 520,527.60 and 207,435.57 is: 286,255.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,201.44 : 520,527.60 = 207,435.57 : x
  2. Step 2: Convert to fraction form
    377,201.44/520,527.60 = 207,435.57/x
  3. Step 3: Cross multiply
    377,201.44x = 520,527.60 × 207,435.57
  4. Step 4: Simplify right side
    377,201.44x = 107,975,939,406.73
  5. Step 5: Solve for x
    x = 107,975,939,406.73/377,201.44
  6. Step 6: Final answer
    x = 286,255.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.