Home / 377,928.96-521,565.60-208,163.04

Finding the Fourth Proportional to 377,928.96, 521,565.60 and 208,163.04

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Solution

The fourth proportional to 377,928.96, 521,565.60 and 208,163.04 is: 287,278.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,928.96 : 521,565.60 = 208,163.04 : x
  2. Step 2: Convert to fraction form
    377,928.96/521,565.60 = 208,163.04/x
  3. Step 3: Cross multiply
    377,928.96x = 521,565.60 × 208,163.04
  4. Step 4: Simplify right side
    377,928.96x = 108,570,680,855.42
  5. Step 5: Solve for x
    x = 108,570,680,855.42/377,928.96
  6. Step 6: Final answer
    x = 287,278.01

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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.