Home / 338,951.04-508,420.15-82,787.73

Finding the Fourth Proportional to 338,951.04, 508,420.15 and 82,787.73

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Solution

The fourth proportional to 338,951.04, 508,420.15 and 82,787.73 is: 124,180.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,951.04 : 508,420.15 = 82,787.73 : x
  2. Step 2: Convert to fraction form
    338,951.04/508,420.15 = 82,787.73/x
  3. Step 3: Cross multiply
    338,951.04x = 508,420.15 × 82,787.73
  4. Step 4: Simplify right side
    338,951.04x = 42,090,950,104.76
  5. Step 5: Solve for x
    x = 42,090,950,104.76/338,951.04
  6. Step 6: Final answer
    x = 124,180.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.