Home / 355,436.64-490,489.04-194,290.24

Finding the Fourth Proportional to 355,436.64, 490,489.04 and 194,290.24

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Solution

The fourth proportional to 355,436.64, 490,489.04 and 194,290.24 is: 268,113.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,436.64 : 490,489.04 = 194,290.24 : x
  2. Step 2: Convert to fraction form
    355,436.64/490,489.04 = 194,290.24/x
  3. Step 3: Cross multiply
    355,436.64x = 490,489.04 × 194,290.24
  4. Step 4: Simplify right side
    355,436.64x = 95,297,233,298.97
  5. Step 5: Solve for x
    x = 95,297,233,298.97/355,436.64
  6. Step 6: Final answer
    x = 268,113.14

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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.