Home / 198,208.80-297,395.28-109,454.40

Finding the Fourth Proportional to 198,208.80, 297,395.28 and 109,454.40

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Solution

The fourth proportional to 198,208.80, 297,395.28 and 109,454.40 is: 164,226.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,208.80 : 297,395.28 = 109,454.40 : x
  2. Step 2: Convert to fraction form
    198,208.80/297,395.28 = 109,454.40/x
  3. Step 3: Cross multiply
    198,208.80x = 297,395.28 × 109,454.40
  4. Step 4: Simplify right side
    198,208.80x = 32,551,221,935.23
  5. Step 5: Solve for x
    x = 32,551,221,935.23/198,208.80
  6. Step 6: Final answer
    x = 164,226.93

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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.