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Finding the Fourth Proportional to 461,068.39, 636,259.35 and 254,336.28

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Solution

The fourth proportional to 461,068.39, 636,259.35 and 254,336.28 is: 350,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,068.39 : 636,259.35 = 254,336.28 : x
  2. Step 2: Convert to fraction form
    461,068.39/636,259.35 = 254,336.28/x
  3. Step 3: Cross multiply
    461,068.39x = 636,259.35 × 254,336.28
  4. Step 4: Simplify right side
    461,068.39x = 161,823,836,194.22
  5. Step 5: Solve for x
    x = 161,823,836,194.22/461,068.39
  6. Step 6: Final answer
    x = 350,975.78

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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.