Home / 383,787.40-575,724.30-117,545.80

Finding the Fourth Proportional to 383,787.40, 575,724.30 and 117,545.80

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Solution

The fourth proportional to 383,787.40, 575,724.30 and 117,545.80 is: 176,331.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,787.40 : 575,724.30 = 117,545.80 : x
  2. Step 2: Convert to fraction form
    383,787.40/575,724.30 = 117,545.80/x
  3. Step 3: Cross multiply
    383,787.40x = 575,724.30 × 117,545.80
  4. Step 4: Simplify right side
    383,787.40x = 67,673,973,422.94
  5. Step 5: Solve for x
    x = 67,673,973,422.94/383,787.40
  6. Step 6: Final answer
    x = 176,331.93

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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.