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Finding the Fourth Proportional to 290,959.17, 401,463.46 and 170,077.07

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Solution

The fourth proportional to 290,959.17, 401,463.46 and 170,077.07 is: 234,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,959.17 : 401,463.46 = 170,077.07 : x
  2. Step 2: Convert to fraction form
    290,959.17/401,463.46 = 170,077.07/x
  3. Step 3: Cross multiply
    290,959.17x = 401,463.46 × 170,077.07
  4. Step 4: Simplify right side
    290,959.17x = 68,279,726,990.20
  5. Step 5: Solve for x
    x = 68,279,726,990.20/290,959.17
  6. Step 6: Final answer
    x = 234,671.16

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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.