Home / 339,328.18-509,054.84-111,636.62

Finding the Fourth Proportional to 339,328.18, 509,054.84 and 111,636.62

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Solution

The fourth proportional to 339,328.18, 509,054.84 and 111,636.62 is: 167,475.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,328.18 : 509,054.84 = 111,636.62 : x
  2. Step 2: Convert to fraction form
    339,328.18/509,054.84 = 111,636.62/x
  3. Step 3: Cross multiply
    339,328.18x = 509,054.84 × 111,636.62
  4. Step 4: Simplify right side
    339,328.18x = 56,829,161,584.33
  5. Step 5: Solve for x
    x = 56,829,161,584.33/339,328.18
  6. Step 6: Final answer
    x = 167,475.51

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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.