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Finding the Fourth Proportional to 290,960.17, 401,464.84 and 170,078.07

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Solution

The fourth proportional to 290,960.17, 401,464.84 and 170,078.07 is: 234,672.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,960.17 : 401,464.84 = 170,078.07 : x
  2. Step 2: Convert to fraction form
    290,960.17/401,464.84 = 170,078.07/x
  3. Step 3: Cross multiply
    290,960.17x = 401,464.84 × 170,078.07
  4. Step 4: Simplify right side
    290,960.17x = 68,280,362,302.34
  5. Step 5: Solve for x
    x = 68,280,362,302.34/290,960.17
  6. Step 6: Final answer
    x = 234,672.54

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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.