Home / 213,468.86-320,258.64-113,546.82

Finding the Fourth Proportional to 213,468.86, 320,258.64 and 113,546.82

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Solution

The fourth proportional to 213,468.86, 320,258.64 and 113,546.82 is: 170,349.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,468.86 : 320,258.64 = 113,546.82 : x
  2. Step 2: Convert to fraction form
    213,468.86/320,258.64 = 113,546.82/x
  3. Step 3: Cross multiply
    213,468.86x = 320,258.64 × 113,546.82
  4. Step 4: Simplify right side
    213,468.86x = 36,364,350,149.52
  5. Step 5: Solve for x
    x = 36,364,350,149.52/213,468.86
  6. Step 6: Final answer
    x = 170,349.67

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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.