Home / 228,919.50-315,893.46-126,941.22

Finding the Fourth Proportional to 228,919.50, 315,893.46 and 126,941.22

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Solution

The fourth proportional to 228,919.50, 315,893.46 and 126,941.22 is: 175,170.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,919.50 : 315,893.46 = 126,941.22 : x
  2. Step 2: Convert to fraction form
    228,919.50/315,893.46 = 126,941.22/x
  3. Step 3: Cross multiply
    228,919.50x = 315,893.46 × 126,941.22
  4. Step 4: Simplify right side
    228,919.50x = 40,099,901,202.42
  5. Step 5: Solve for x
    x = 40,099,901,202.42/228,919.50
  6. Step 6: Final answer
    x = 175,170.32

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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.