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Finding the Fourth Proportional to 197,655.77, 296,539.01 and 79,410.15

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Solution

The fourth proportional to 197,655.77, 296,539.01 and 79,410.15 is: 119,137.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,655.77 : 296,539.01 = 79,410.15 : x
  2. Step 2: Convert to fraction form
    197,655.77/296,539.01 = 79,410.15/x
  3. Step 3: Cross multiply
    197,655.77x = 296,539.01 × 79,410.15
  4. Step 4: Simplify right side
    197,655.77x = 23,548,207,264.95
  5. Step 5: Solve for x
    x = 23,548,207,264.95/197,655.77
  6. Step 6: Final answer
    x = 119,137.46

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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.