Home / 401,737.05-554,431.57-220,484.02

Finding the Fourth Proportional to 401,737.05, 554,431.57 and 220,484.02

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Solution

The fourth proportional to 401,737.05, 554,431.57 and 220,484.02 is: 304,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,737.05 : 554,431.57 = 220,484.02 : x
  2. Step 2: Convert to fraction form
    401,737.05/554,431.57 = 220,484.02/x
  3. Step 3: Cross multiply
    401,737.05x = 554,431.57 × 220,484.02
  4. Step 4: Simplify right side
    401,737.05x = 122,243,300,817.30
  5. Step 5: Solve for x
    x = 122,243,300,817.30/401,737.05
  6. Step 6: Final answer
    x = 304,286.85

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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.