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Finding the Fourth Proportional to 290,287.32, 400,596.18 and 162,963.18

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Solution

The fourth proportional to 290,287.32, 400,596.18 and 162,963.18 is: 224,889.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,287.32 : 400,596.18 = 162,963.18 : x
  2. Step 2: Convert to fraction form
    290,287.32/400,596.18 = 162,963.18/x
  3. Step 3: Cross multiply
    290,287.32x = 400,596.18 × 162,963.18
  4. Step 4: Simplify right side
    290,287.32x = 65,282,427,388.65
  5. Step 5: Solve for x
    x = 65,282,427,388.65/290,287.32
  6. Step 6: Final answer
    x = 224,889.01

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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.