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Finding the Fourth Proportional to 471,930.33, 651,260.51 and 257,070.39

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Solution

The fourth proportional to 471,930.33, 651,260.51 and 257,070.39 is: 354,755.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,930.33 : 651,260.51 = 257,070.39 : x
  2. Step 2: Convert to fraction form
    471,930.33/651,260.51 = 257,070.39/x
  3. Step 3: Cross multiply
    471,930.33x = 651,260.51 × 257,070.39
  4. Step 4: Simplify right side
    471,930.33x = 167,419,792,011.95
  5. Step 5: Solve for x
    x = 167,419,792,011.95/471,930.33
  6. Step 6: Final answer
    x = 354,755.31

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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.