Home / 329,056.20-493,636.14-118,745.64

Finding the Fourth Proportional to 329,056.20, 493,636.14 and 118,745.64

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Solution

The fourth proportional to 329,056.20, 493,636.14 and 118,745.64 is: 178,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,056.20 : 493,636.14 = 118,745.64 : x
  2. Step 2: Convert to fraction form
    329,056.20/493,636.14 = 118,745.64/x
  3. Step 3: Cross multiply
    329,056.20x = 493,636.14 × 118,745.64
  4. Step 4: Simplify right side
    329,056.20x = 58,617,139,371.43
  5. Step 5: Solve for x
    x = 58,617,139,371.43/329,056.20
  6. Step 6: Final answer
    x = 178,137.17

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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.