Home / 355,835.75-491,048.96-194,688.47

Finding the Fourth Proportional to 355,835.75, 491,048.96 and 194,688.47

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Solution

The fourth proportional to 355,835.75, 491,048.96 and 194,688.47 is: 268,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,835.75 : 491,048.96 = 194,688.47 : x
  2. Step 2: Convert to fraction form
    355,835.75/491,048.96 = 194,688.47/x
  3. Step 3: Cross multiply
    355,835.75x = 491,048.96 × 194,688.47
  4. Step 4: Simplify right side
    355,835.75x = 95,601,570,971.67
  5. Step 5: Solve for x
    x = 95,601,570,971.67/355,835.75
  6. Step 6: Final answer
    x = 268,667.70

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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.