Home / 291,135.39-401,770.05-160,327.73

Finding the Fourth Proportional to 291,135.39, 401,770.05 and 160,327.73

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Solution

The fourth proportional to 291,135.39, 401,770.05 and 160,327.73 is: 221,254.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,135.39 : 401,770.05 = 160,327.73 : x
  2. Step 2: Convert to fraction form
    291,135.39/401,770.05 = 160,327.73/x
  3. Step 3: Cross multiply
    291,135.39x = 401,770.05 × 160,327.73
  4. Step 4: Simplify right side
    291,135.39x = 64,414,880,098.49
  5. Step 5: Solve for x
    x = 64,414,880,098.49/291,135.39
  6. Step 6: Final answer
    x = 221,254.04

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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.