Home / 401,660.37-554,286.51-220,373.82

Finding the Fourth Proportional to 401,660.37, 554,286.51 and 220,373.82

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Solution

The fourth proportional to 401,660.37, 554,286.51 and 220,373.82 is: 304,113.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,660.37 : 554,286.51 = 220,373.82 : x
  2. Step 2: Convert to fraction form
    401,660.37/554,286.51 = 220,373.82/x
  3. Step 3: Cross multiply
    401,660.37x = 554,286.51 × 220,373.82
  4. Step 4: Simplify right side
    401,660.37x = 122,150,235,583.17
  5. Step 5: Solve for x
    x = 122,150,235,583.17/401,660.37
  6. Step 6: Final answer
    x = 304,113.24

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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.