Home / 343,531.40-515,151.30-166,092.80

Finding the Fourth Proportional to 343,531.40, 515,151.30 and 166,092.80

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Solution

The fourth proportional to 343,531.40, 515,151.30 and 166,092.80 is: 249,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,531.40 : 515,151.30 = 166,092.80 : x
  2. Step 2: Convert to fraction form
    343,531.40/515,151.30 = 166,092.80/x
  3. Step 3: Cross multiply
    343,531.40x = 515,151.30 × 166,092.80
  4. Step 4: Simplify right side
    343,531.40x = 85,562,921,840.64
  5. Step 5: Solve for x
    x = 85,562,921,840.64/343,531.40
  6. Step 6: Final answer
    x = 249,068.71

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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.