Home / 228,289.10-315,112.11-160,322.54

Finding the Fourth Proportional to 228,289.10, 315,112.11 and 160,322.54

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Solution

The fourth proportional to 228,289.10, 315,112.11 and 160,322.54 is: 221,296.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,289.10 : 315,112.11 = 160,322.54 : x
  2. Step 2: Convert to fraction form
    228,289.10/315,112.11 = 160,322.54/x
  3. Step 3: Cross multiply
    228,289.10x = 315,112.11 × 160,322.54
  4. Step 4: Simplify right side
    228,289.10x = 50,519,573,859.96
  5. Step 5: Solve for x
    x = 50,519,573,859.96/228,289.10
  6. Step 6: Final answer
    x = 221,296.48

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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.