Home / 343,844.40-515,896.20-166,508.40

Finding the Fourth Proportional to 343,844.40, 515,896.20 and 166,508.40

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Solution

The fourth proportional to 343,844.40, 515,896.20 and 166,508.40 is: 249,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,844.40 : 515,896.20 = 166,508.40 : x
  2. Step 2: Convert to fraction form
    343,844.40/515,896.20 = 166,508.40/x
  3. Step 3: Cross multiply
    343,844.40x = 515,896.20 × 166,508.40
  4. Step 4: Simplify right side
    343,844.40x = 85,901,050,828.08
  5. Step 5: Solve for x
    x = 85,901,050,828.08/343,844.40
  6. Step 6: Final answer
    x = 249,825.36

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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.