Home / 343,214.20-514,967.10-165,629.80

Finding the Fourth Proportional to 343,214.20, 514,967.10 and 165,629.80

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Solution

The fourth proportional to 343,214.20, 514,967.10 and 165,629.80 is: 248,515.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,214.20 : 514,967.10 = 165,629.80 : x
  2. Step 2: Convert to fraction form
    343,214.20/514,967.10 = 165,629.80/x
  3. Step 3: Cross multiply
    343,214.20x = 514,967.10 × 165,629.80
  4. Step 4: Simplify right side
    343,214.20x = 85,293,897,779.58
  5. Step 5: Solve for x
    x = 85,293,897,779.58/343,214.20
  6. Step 6: Final answer
    x = 248,515.06

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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.