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Finding the Fourth Proportional to 290,959.92, 401,464.49 and 170,077.82

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Solution

The fourth proportional to 290,959.92, 401,464.49 and 170,077.82 is: 234,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,959.92 : 401,464.49 = 170,077.82 : x
  2. Step 2: Convert to fraction form
    290,959.92/401,464.49 = 170,077.82/x
  3. Step 3: Cross multiply
    290,959.92x = 401,464.49 × 170,077.82
  4. Step 4: Simplify right side
    290,959.92x = 68,280,203,684.48
  5. Step 5: Solve for x
    x = 68,280,203,684.48/290,959.92
  6. Step 6: Final answer
    x = 234,672.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.