Home / 340,760.22-511,145.67-100,898.46

Finding the Fourth Proportional to 340,760.22, 511,145.67 and 100,898.46

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Solution

The fourth proportional to 340,760.22, 511,145.67 and 100,898.46 is: 151,349.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,760.22 : 511,145.67 = 100,898.46 : x
  2. Step 2: Convert to fraction form
    340,760.22/511,145.67 = 100,898.46/x
  3. Step 3: Cross multiply
    340,760.22x = 511,145.67 × 100,898.46
  4. Step 4: Simplify right side
    340,760.22x = 51,573,810,938.67
  5. Step 5: Solve for x
    x = 51,573,810,938.67/340,760.22
  6. Step 6: Final answer
    x = 151,349.27

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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.