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Finding the Fourth Proportional to 339,337.35, 509,068.56 and 111,645.77

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Solution

The fourth proportional to 339,337.35, 509,068.56 and 111,645.77 is: 167,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,337.35 : 509,068.56 = 111,645.77 : x
  2. Step 2: Convert to fraction form
    339,337.35/509,068.56 = 111,645.77/x
  3. Step 3: Cross multiply
    339,337.35x = 509,068.56 × 111,645.77
  4. Step 4: Simplify right side
    339,337.35x = 56,835,348,818.65
  5. Step 5: Solve for x
    x = 56,835,348,818.65/339,337.35
  6. Step 6: Final answer
    x = 167,489.22

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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.