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Finding the Fourth Proportional to 329,005.80, 462,007.80 and 329,005.80

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Solution

The fourth proportional to 329,005.80, 462,007.80 and 329,005.80 is: 462,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,005.80 : 462,007.80 = 329,005.80 : x
  2. Step 2: Convert to fraction form
    329,005.80/462,007.80 = 329,005.80/x
  3. Step 3: Cross multiply
    329,005.80x = 462,007.80 × 329,005.80
  4. Step 4: Simplify right side
    329,005.80x = 152,003,245,845.24
  5. Step 5: Solve for x
    x = 152,003,245,845.24/329,005.80
  6. Step 6: Final answer
    x = 462,007.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.