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Finding the Fourth Proportional to 535,255.74, 802,883.88 and 161,278.74

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Solution

The fourth proportional to 535,255.74, 802,883.88 and 161,278.74 is: 241,918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,255.74 : 802,883.88 = 161,278.74 : x
  2. Step 2: Convert to fraction form
    535,255.74/802,883.88 = 161,278.74/x
  3. Step 3: Cross multiply
    535,255.74x = 802,883.88 × 161,278.74
  4. Step 4: Simplify right side
    535,255.74x = 129,488,100,532.71
  5. Step 5: Solve for x
    x = 129,488,100,532.71/535,255.74
  6. Step 6: Final answer
    x = 241,918.19

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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.