Home / 198,279.36-297,419.20-163,145.16

Finding the Fourth Proportional to 198,279.36, 297,419.20 and 163,145.16

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Solution

The fourth proportional to 198,279.36, 297,419.20 and 163,145.16 is: 244,717.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,279.36 : 297,419.20 = 163,145.16 : x
  2. Step 2: Convert to fraction form
    198,279.36/297,419.20 = 163,145.16/x
  3. Step 3: Cross multiply
    198,279.36x = 297,419.20 × 163,145.16
  4. Step 4: Simplify right side
    198,279.36x = 48,522,502,971.07
  5. Step 5: Solve for x
    x = 48,522,502,971.07/198,279.36
  6. Step 6: Final answer
    x = 244,717.87

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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.