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Finding the Fourth Proportional to 323,407.74, 485,100.66 and 98,759.10

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Solution

The fourth proportional to 323,407.74, 485,100.66 and 98,759.10 is: 148,135.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,407.74 : 485,100.66 = 98,759.10 : x
  2. Step 2: Convert to fraction form
    323,407.74/485,100.66 = 98,759.10/x
  3. Step 3: Cross multiply
    323,407.74x = 485,100.66 × 98,759.10
  4. Step 4: Simplify right side
    323,407.74x = 47,908,104,591.01
  5. Step 5: Solve for x
    x = 47,908,104,591.01/323,407.74
  6. Step 6: Final answer
    x = 148,135.31

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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.