Home / 339,837.90-509,723.88-103,182.63

Finding the Fourth Proportional to 339,837.90, 509,723.88 and 103,182.63

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Solution

The fourth proportional to 339,837.90, 509,723.88 and 103,182.63 is: 154,763.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,837.90 : 509,723.88 = 103,182.63 : x
  2. Step 2: Convert to fraction form
    339,837.90/509,723.88 = 103,182.63/x
  3. Step 3: Cross multiply
    339,837.90x = 509,723.88 × 103,182.63
  4. Step 4: Simplify right side
    339,837.90x = 52,594,650,512.20
  5. Step 5: Solve for x
    x = 52,594,650,512.20/339,837.90
  6. Step 6: Final answer
    x = 154,763.93

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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.