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Finding the Fourth Proportional to 383,594.96, 575,371.46 and 117,355.46

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Solution

The fourth proportional to 383,594.96, 575,371.46 and 117,355.46 is: 176,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,594.96 : 575,371.46 = 117,355.46 : x
  2. Step 2: Convert to fraction form
    383,594.96/575,371.46 = 117,355.46/x
  3. Step 3: Cross multiply
    383,594.96x = 575,371.46 × 117,355.46
  4. Step 4: Simplify right side
    383,594.96x = 67,522,982,359.17
  5. Step 5: Solve for x
    x = 67,522,982,359.17/383,594.96
  6. Step 6: Final answer
    x = 176,026.77

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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.