Home / 355,789.06-490,988.01-194,643.70

Finding the Fourth Proportional to 355,789.06, 490,988.01 and 194,643.70

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Solution

The fourth proportional to 355,789.06, 490,988.01 and 194,643.70 is: 268,607.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,789.06 : 490,988.01 = 194,643.70 : x
  2. Step 2: Convert to fraction form
    355,789.06/490,988.01 = 194,643.70/x
  3. Step 3: Cross multiply
    355,789.06x = 490,988.01 × 194,643.70
  4. Step 4: Simplify right side
    355,789.06x = 95,567,722,922.04
  5. Step 5: Solve for x
    x = 95,567,722,922.04/355,789.06
  6. Step 6: Final answer
    x = 268,607.82

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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.