Home / 343,215.20-514,968.60-165,630.80

Finding the Fourth Proportional to 343,215.20, 514,968.60 and 165,630.80

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Solution

The fourth proportional to 343,215.20, 514,968.60 and 165,630.80 is: 248,516.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,215.20 : 514,968.60 = 165,630.80 : x
  2. Step 2: Convert to fraction form
    343,215.20/514,968.60 = 165,630.80/x
  3. Step 3: Cross multiply
    343,215.20x = 514,968.60 × 165,630.80
  4. Step 4: Simplify right side
    343,215.20x = 85,294,661,192.88
  5. Step 5: Solve for x
    x = 85,294,661,192.88/343,215.20
  6. Step 6: Final answer
    x = 248,516.56

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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.