Home / 228,401.10-341,945.55-139,827.60

Finding the Fourth Proportional to 228,401.10, 341,945.55 and 139,827.60

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Solution

The fourth proportional to 228,401.10, 341,945.55 and 139,827.60 is: 209,339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,401.10 : 341,945.55 = 139,827.60 : x
  2. Step 2: Convert to fraction form
    228,401.10/341,945.55 = 139,827.60/x
  3. Step 3: Cross multiply
    228,401.10x = 341,945.55 × 139,827.60
  4. Step 4: Simplify right side
    228,401.10x = 47,813,425,587.18
  5. Step 5: Solve for x
    x = 47,813,425,587.18/228,401.10
  6. Step 6: Final answer
    x = 209,339.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.