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Finding the Fourth Proportional to 237,065.73, 355,558.89 and 79,293.66

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Solution

The fourth proportional to 237,065.73, 355,558.89 and 79,293.66 is: 118,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,065.73 : 355,558.89 = 79,293.66 : x
  2. Step 2: Convert to fraction form
    237,065.73/355,558.89 = 79,293.66/x
  3. Step 3: Cross multiply
    237,065.73x = 355,558.89 × 79,293.66
  4. Step 4: Simplify right side
    237,065.73x = 28,193,565,733.64
  5. Step 5: Solve for x
    x = 28,193,565,733.64/237,065.73
  6. Step 6: Final answer
    x = 118,927.21

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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.