Home / 339,823.58-509,796.80-140,032.76

Finding the Fourth Proportional to 339,823.58, 509,796.80 and 140,032.76

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Solution

The fourth proportional to 339,823.58, 509,796.80 and 140,032.76 is: 210,074.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,823.58 : 509,796.80 = 140,032.76 : x
  2. Step 2: Convert to fraction form
    339,823.58/509,796.80 = 140,032.76/x
  3. Step 3: Cross multiply
    339,823.58x = 509,796.80 × 140,032.76
  4. Step 4: Simplify right side
    339,823.58x = 71,388,252,243.00
  5. Step 5: Solve for x
    x = 71,388,252,243.00/339,823.58
  6. Step 6: Final answer
    x = 210,074.45

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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.