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Finding the Fourth Proportional to 460,351.71, 635,283.39 and 256,405.05

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Solution

The fourth proportional to 460,351.71, 635,283.39 and 256,405.05 is: 353,837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,351.71 : 635,283.39 = 256,405.05 : x
  2. Step 2: Convert to fraction form
    460,351.71/635,283.39 = 256,405.05/x
  3. Step 3: Cross multiply
    460,351.71x = 635,283.39 × 256,405.05
  4. Step 4: Simplify right side
    460,351.71x = 162,889,869,377.12
  5. Step 5: Solve for x
    x = 162,889,869,377.12/460,351.71
  6. Step 6: Final answer
    x = 353,837.87

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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.