Home / 355,263.72-490,267.38-194,118.75

Finding the Fourth Proportional to 355,263.72, 490,267.38 and 194,118.75

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Solution

The fourth proportional to 355,263.72, 490,267.38 and 194,118.75 is: 267,885.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,263.72 : 490,267.38 = 194,118.75 : x
  2. Step 2: Convert to fraction form
    355,263.72/490,267.38 = 194,118.75/x
  3. Step 3: Cross multiply
    355,263.72x = 490,267.38 × 194,118.75
  4. Step 4: Simplify right side
    355,263.72x = 95,170,090,971.38
  5. Step 5: Solve for x
    x = 95,170,090,971.38/355,263.72
  6. Step 6: Final answer
    x = 267,885.76

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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.