Home / 329,749.49-494,291.93-129,992.55

Finding the Fourth Proportional to 329,749.49, 494,291.93 and 129,992.55

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Solution

The fourth proportional to 329,749.49, 494,291.93 and 129,992.55 is: 194,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,749.49 : 494,291.93 = 129,992.55 : x
  2. Step 2: Convert to fraction form
    329,749.49/494,291.93 = 129,992.55/x
  3. Step 3: Cross multiply
    329,749.49x = 494,291.93 × 129,992.55
  4. Step 4: Simplify right side
    329,749.49x = 64,254,267,775.16
  5. Step 5: Solve for x
    x = 64,254,267,775.16/329,749.49
  6. Step 6: Final answer
    x = 194,857.83

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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.