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Finding the Fourth Proportional to 611,595.39, 917,321.77 and 162,351.17

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Solution

The fourth proportional to 611,595.39, 917,321.77 and 162,351.17 is: 243,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,595.39 : 917,321.77 = 162,351.17 : x
  2. Step 2: Convert to fraction form
    611,595.39/917,321.77 = 162,351.17/x
  3. Step 3: Cross multiply
    611,595.39x = 917,321.77 × 162,351.17
  4. Step 4: Simplify right side
    611,595.39x = 148,928,257,227.61
  5. Step 5: Solve for x
    x = 148,928,257,227.61/611,595.39
  6. Step 6: Final answer
    x = 243,507.82

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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.