Home / 357,446.10-493,279.03-196,304.50

Finding the Fourth Proportional to 357,446.10, 493,279.03 and 196,304.50

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Solution

The fourth proportional to 357,446.10, 493,279.03 and 196,304.50 is: 270,902.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,446.10 : 493,279.03 = 196,304.50 : x
  2. Step 2: Convert to fraction form
    357,446.10/493,279.03 = 196,304.50/x
  3. Step 3: Cross multiply
    357,446.10x = 493,279.03 × 196,304.50
  4. Step 4: Simplify right side
    357,446.10x = 96,832,893,344.64
  5. Step 5: Solve for x
    x = 96,832,893,344.64/357,446.10
  6. Step 6: Final answer
    x = 270,902.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.