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Finding the Fourth Proportional to 329,095.80, 492,768.90 and 329,095.80

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Solution

The fourth proportional to 329,095.80, 492,768.90 and 329,095.80 is: 492,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,095.80 : 492,768.90 = 329,095.80 : x
  2. Step 2: Convert to fraction form
    329,095.80/492,768.90 = 329,095.80/x
  3. Step 3: Cross multiply
    329,095.80x = 492,768.90 × 329,095.80
  4. Step 4: Simplify right side
    329,095.80x = 162,168,175,360.62
  5. Step 5: Solve for x
    x = 162,168,175,360.62/329,095.80
  6. Step 6: Final answer
    x = 492,768.90

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1.5x scale

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.