Home / 355,132.14-490,064.34-193,956.31

Finding the Fourth Proportional to 355,132.14, 490,064.34 and 193,956.31

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Solution

The fourth proportional to 355,132.14, 490,064.34 and 193,956.31 is: 267,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,132.14 : 490,064.34 = 193,956.31 : x
  2. Step 2: Convert to fraction form
    355,132.14/490,064.34 = 193,956.31/x
  3. Step 3: Cross multiply
    355,132.14x = 490,064.34 × 193,956.31
  4. Step 4: Simplify right side
    355,132.14x = 95,051,071,048.99
  5. Step 5: Solve for x
    x = 95,051,071,048.99/355,132.14
  6. Step 6: Final answer
    x = 267,649.87

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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.