Home / 401,526.11-554,096.50-220,236.44

Finding the Fourth Proportional to 401,526.11, 554,096.50 and 220,236.44

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Solution

The fourth proportional to 401,526.11, 554,096.50 and 220,236.44 is: 303,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,526.11 : 554,096.50 = 220,236.44 : x
  2. Step 2: Convert to fraction form
    401,526.11/554,096.50 = 220,236.44/x
  3. Step 3: Cross multiply
    401,526.11x = 554,096.50 × 220,236.44
  4. Step 4: Simplify right side
    401,526.11x = 122,032,237,255.39
  5. Step 5: Solve for x
    x = 122,032,237,255.39/401,526.11
  6. Step 6: Final answer
    x = 303,921.05

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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.