Home / 302,258.57-417,116.85-166,289.61

Finding the Fourth Proportional to 302,258.57, 417,116.85 and 166,289.61

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Solution

The fourth proportional to 302,258.57, 417,116.85 and 166,289.61 is: 229,479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,258.57 : 417,116.85 = 166,289.61 : x
  2. Step 2: Convert to fraction form
    302,258.57/417,116.85 = 166,289.61/x
  3. Step 3: Cross multiply
    302,258.57x = 417,116.85 × 166,289.61
  4. Step 4: Simplify right side
    302,258.57x = 69,362,198,310.93
  5. Step 5: Solve for x
    x = 69,362,198,310.93/302,258.57
  6. Step 6: Final answer
    x = 229,479.67

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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.