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Finding the Fourth Proportional to 329,046.94, 493,570.47 and 118,684.85

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Solution

The fourth proportional to 329,046.94, 493,570.47 and 118,684.85 is: 178,027.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,046.94 : 493,570.47 = 118,684.85 : x
  2. Step 2: Convert to fraction form
    329,046.94/493,570.47 = 118,684.85/x
  3. Step 3: Cross multiply
    329,046.94x = 493,570.47 × 118,684.85
  4. Step 4: Simplify right side
    329,046.94x = 58,579,338,875.37
  5. Step 5: Solve for x
    x = 58,579,338,875.37/329,046.94
  6. Step 6: Final answer
    x = 178,027.30

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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.