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Finding the Fourth Proportional to 635,415.71, 952,921.67 and 208,853.10

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Solution

The fourth proportional to 635,415.71, 952,921.67 and 208,853.10 is: 313,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,415.71 : 952,921.67 = 208,853.10 : x
  2. Step 2: Convert to fraction form
    635,415.71/952,921.67 = 208,853.10/x
  3. Step 3: Cross multiply
    635,415.71x = 952,921.67 × 208,853.10
  4. Step 4: Simplify right side
    635,415.71x = 199,020,643,792.41
  5. Step 5: Solve for x
    x = 199,020,643,792.41/635,415.71
  6. Step 6: Final answer
    x = 313,213.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.