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Finding the Fourth Proportional to 377,295.64, 520,672.34 and 207,531

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Solution

The fourth proportional to 377,295.64, 520,672.34 and 207,531 is: 286,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,295.64 : 520,672.34 = 207,531 : x
  2. Step 2: Convert to fraction form
    377,295.64/520,672.34 = 207,531/x
  3. Step 3: Cross multiply
    377,295.64x = 520,672.34 × 207,531
  4. Step 4: Simplify right side
    377,295.64x = 108,055,651,392.54
  5. Step 5: Solve for x
    x = 108,055,651,392.54/377,295.64
  6. Step 6: Final answer
    x = 286,395.18

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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.