Home / 355,521.03-490,619.03-194,376.09

Finding the Fourth Proportional to 355,521.03, 490,619.03 and 194,376.09

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Solution

The fourth proportional to 355,521.03, 490,619.03 and 194,376.09 is: 268,239.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,521.03 : 490,619.03 = 194,376.09 : x
  2. Step 2: Convert to fraction form
    355,521.03/490,619.03 = 194,376.09/x
  3. Step 3: Cross multiply
    355,521.03x = 490,619.03 × 194,376.09
  4. Step 4: Simplify right side
    355,521.03x = 95,364,608,730.99
  5. Step 5: Solve for x
    x = 95,364,608,730.99/355,521.03
  6. Step 6: Final answer
    x = 268,239.01

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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.