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Finding the Fourth Proportional to 377,565.56, 521,050.20 and 205,494.80

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Solution

The fourth proportional to 377,565.56, 521,050.20 and 205,494.80 is: 283,588.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,565.56 : 521,050.20 = 205,494.80 : x
  2. Step 2: Convert to fraction form
    377,565.56/521,050.20 = 205,494.80/x
  3. Step 3: Cross multiply
    377,565.56x = 521,050.20 × 205,494.80
  4. Step 4: Simplify right side
    377,565.56x = 107,073,106,638.96
  5. Step 5: Solve for x
    x = 107,073,106,638.96/377,565.56
  6. Step 6: Final answer
    x = 283,588.12

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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.