Home / 343,427.12-515,195.94-165,947.18

Finding the Fourth Proportional to 343,427.12, 515,195.94 and 165,947.18

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Solution

The fourth proportional to 343,427.12, 515,195.94 and 165,947.18 is: 248,947.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,427.12 : 515,195.94 = 165,947.18 : x
  2. Step 2: Convert to fraction form
    343,427.12/515,195.94 = 165,947.18/x
  3. Step 3: Cross multiply
    343,427.12x = 515,195.94 × 165,947.18
  4. Step 4: Simplify right side
    343,427.12x = 85,495,313,390.45
  5. Step 5: Solve for x
    x = 85,495,313,390.45/343,427.12
  6. Step 6: Final answer
    x = 248,947.47

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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.