Home / 377,867.75-521,438.24-208,069.07

Finding the Fourth Proportional to 377,867.75, 521,438.24 and 208,069.07

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Solution

The fourth proportional to 377,867.75, 521,438.24 and 208,069.07 is: 287,124.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,867.75 : 521,438.24 = 208,069.07 : x
  2. Step 2: Convert to fraction form
    377,867.75/521,438.24 = 208,069.07/x
  3. Step 3: Cross multiply
    377,867.75x = 521,438.24 × 208,069.07
  4. Step 4: Simplify right side
    377,867.75x = 108,495,167,572.22
  5. Step 5: Solve for x
    x = 108,495,167,572.22/377,867.75
  6. Step 6: Final answer
    x = 287,124.71

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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.