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Finding the Fourth Proportional to 377,473.61, 520,897.86 and 205,392.25

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Solution

The fourth proportional to 377,473.61, 520,897.86 and 205,392.25 is: 283,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,473.61 : 520,897.86 = 205,392.25 : x
  2. Step 2: Convert to fraction form
    377,473.61/520,897.86 = 205,392.25/x
  3. Step 3: Cross multiply
    377,473.61x = 520,897.86 × 205,392.25
  4. Step 4: Simplify right side
    377,473.61x = 106,988,383,485.59
  5. Step 5: Solve for x
    x = 106,988,383,485.59/377,473.61
  6. Step 6: Final answer
    x = 283,432.75

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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.