Home / 343,619.60-515,537.40-166,132.40

Finding the Fourth Proportional to 343,619.60, 515,537.40 and 166,132.40

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Solution

The fourth proportional to 343,619.60, 515,537.40 and 166,132.40 is: 249,250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,619.60 : 515,537.40 = 166,132.40 : x
  2. Step 2: Convert to fraction form
    343,619.60/515,537.40 = 166,132.40/x
  3. Step 3: Cross multiply
    343,619.60x = 515,537.40 × 166,132.40
  4. Step 4: Simplify right side
    343,619.60x = 85,647,465,551.76
  5. Step 5: Solve for x
    x = 85,647,465,551.76/343,619.60
  6. Step 6: Final answer
    x = 249,250.82

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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.