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Finding the Fourth Proportional to 198,366.03, 297,485.82 and 65,215.62

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Solution

The fourth proportional to 198,366.03, 297,485.82 and 65,215.62 is: 97,802.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,366.03 : 297,485.82 = 65,215.62 : x
  2. Step 2: Convert to fraction form
    198,366.03/297,485.82 = 65,215.62/x
  3. Step 3: Cross multiply
    198,366.03x = 297,485.82 × 65,215.62
  4. Step 4: Simplify right side
    198,366.03x = 19,400,722,192.51
  5. Step 5: Solve for x
    x = 19,400,722,192.51/198,366.03
  6. Step 6: Final answer
    x = 97,802.64

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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.