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Finding the Fourth Proportional to 611,370.26, 917,097.53 and 256,026.50

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Solution

The fourth proportional to 611,370.26, 917,097.53 and 256,026.50 is: 384,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,370.26 : 917,097.53 = 256,026.50 : x
  2. Step 2: Convert to fraction form
    611,370.26/917,097.53 = 256,026.50/x
  3. Step 3: Cross multiply
    611,370.26x = 917,097.53 × 256,026.50
  4. Step 4: Simplify right side
    611,370.26x = 234,801,270,764.55
  5. Step 5: Solve for x
    x = 234,801,270,764.55/611,370.26
  6. Step 6: Final answer
    x = 384,057.40

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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.