Home / 343,254.20-515,226.90-165,903.80

Finding the Fourth Proportional to 343,254.20, 515,226.90 and 165,903.80

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Solution

The fourth proportional to 343,254.20, 515,226.90 and 165,903.80 is: 249,022.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,254.20 : 515,226.90 = 165,903.80 : x
  2. Step 2: Convert to fraction form
    343,254.20/515,226.90 = 165,903.80/x
  3. Step 3: Cross multiply
    343,254.20x = 515,226.90 × 165,903.80
  4. Step 4: Simplify right side
    343,254.20x = 85,478,100,572.22
  5. Step 5: Solve for x
    x = 85,478,100,572.22/343,254.20
  6. Step 6: Final answer
    x = 249,022.74

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1.5x scale

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.