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Finding the Fourth Proportional to 383,374.90, 575,068.31 and 113,530.34

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Solution

The fourth proportional to 383,374.90, 575,068.31 and 113,530.34 is: 170,297.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,374.90 : 575,068.31 = 113,530.34 : x
  2. Step 2: Convert to fraction form
    383,374.90/575,068.31 = 113,530.34/x
  3. Step 3: Cross multiply
    383,374.90x = 575,068.31 × 113,530.34
  4. Step 4: Simplify right side
    383,374.90x = 65,287,700,757.53
  5. Step 5: Solve for x
    x = 65,287,700,757.53/383,374.90
  6. Step 6: Final answer
    x = 170,297.27

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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.