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Finding the Fourth Proportional to 377,517.40, 520,973.71 and 207,751.52

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Solution

The fourth proportional to 377,517.40, 520,973.71 and 207,751.52 is: 286,696.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,517.40 : 520,973.71 = 207,751.52 : x
  2. Step 2: Convert to fraction form
    377,517.40/520,973.71 = 207,751.52/x
  3. Step 3: Cross multiply
    377,517.40x = 520,973.71 × 207,751.52
  4. Step 4: Simplify right side
    377,517.40x = 108,233,080,915.60
  5. Step 5: Solve for x
    x = 108,233,080,915.60/377,517.40
  6. Step 6: Final answer
    x = 286,696.94

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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.