Home / 377,868.12-521,438.76-208,069.44

Finding the Fourth Proportional to 377,868.12, 521,438.76 and 208,069.44

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Solution

The fourth proportional to 377,868.12, 521,438.76 and 208,069.44 is: 287,125.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,868.12 : 521,438.76 = 208,069.44 : x
  2. Step 2: Convert to fraction form
    377,868.12/521,438.76 = 208,069.44/x
  3. Step 3: Cross multiply
    377,868.12x = 521,438.76 × 208,069.44
  4. Step 4: Simplify right side
    377,868.12x = 108,495,470,787.49
  5. Step 5: Solve for x
    x = 108,495,470,787.49/377,868.12
  6. Step 6: Final answer
    x = 287,125.23

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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.