Home / 296,280.18-408,867.75-273,676.86

Finding the Fourth Proportional to 296,280.18, 408,867.75 and 273,676.86

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Solution

The fourth proportional to 296,280.18, 408,867.75 and 273,676.86 is: 377,675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,280.18 : 408,867.75 = 273,676.86 : x
  2. Step 2: Convert to fraction form
    296,280.18/408,867.75 = 273,676.86/x
  3. Step 3: Cross multiply
    296,280.18x = 408,867.75 × 273,676.86
  4. Step 4: Simplify right side
    296,280.18x = 111,897,641,975.27
  5. Step 5: Solve for x
    x = 111,897,641,975.27/296,280.18
  6. Step 6: Final answer
    x = 377,675.08

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1.5x scale

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.