Home / 401,258.18-601,965.95-148,540.61

Finding the Fourth Proportional to 401,258.18, 601,965.95 and 148,540.61

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Solution

The fourth proportional to 401,258.18, 601,965.95 and 148,540.61 is: 222,840.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,258.18 : 601,965.95 = 148,540.61 : x
  2. Step 2: Convert to fraction form
    401,258.18/601,965.95 = 148,540.61/x
  3. Step 3: Cross multiply
    401,258.18x = 601,965.95 × 148,540.61
  4. Step 4: Simplify right side
    401,258.18x = 89,416,388,669.53
  5. Step 5: Solve for x
    x = 89,416,388,669.53/401,258.18
  6. Step 6: Final answer
    x = 222,840.04

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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.