Home / 340,656.48-511,084.58-100,776.69

Finding the Fourth Proportional to 340,656.48, 511,084.58 and 100,776.69

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Solution

The fourth proportional to 340,656.48, 511,084.58 and 100,776.69 is: 151,194.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,656.48 : 511,084.58 = 100,776.69 : x
  2. Step 2: Convert to fraction form
    340,656.48/511,084.58 = 100,776.69/x
  3. Step 3: Cross multiply
    340,656.48x = 511,084.58 × 100,776.69
  4. Step 4: Simplify right side
    340,656.48x = 51,505,411,778.56
  5. Step 5: Solve for x
    x = 51,505,411,778.56/340,656.48
  6. Step 6: Final answer
    x = 151,194.58

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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.