Home / 355,056.27-489,986.18-193,909.94

Finding the Fourth Proportional to 355,056.27, 489,986.18 and 193,909.94

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Solution

The fourth proportional to 355,056.27, 489,986.18 and 193,909.94 is: 267,600.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,056.27 : 489,986.18 = 193,909.94 : x
  2. Step 2: Convert to fraction form
    355,056.27/489,986.18 = 193,909.94/x
  3. Step 3: Cross multiply
    355,056.27x = 489,986.18 × 193,909.94
  4. Step 4: Simplify right side
    355,056.27x = 95,013,190,764.63
  5. Step 5: Solve for x
    x = 95,013,190,764.63/355,056.27
  6. Step 6: Final answer
    x = 267,600.37

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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.