Home / 403,485.28-557,187.60-252,844.72

Finding the Fourth Proportional to 403,485.28, 557,187.60 and 252,844.72

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Solution

The fourth proportional to 403,485.28, 557,187.60 and 252,844.72 is: 349,162.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,485.28 : 557,187.60 = 252,844.72 : x
  2. Step 2: Convert to fraction form
    403,485.28/557,187.60 = 252,844.72/x
  3. Step 3: Cross multiply
    403,485.28x = 557,187.60 × 252,844.72
  4. Step 4: Simplify right side
    403,485.28x = 140,881,942,709.47
  5. Step 5: Solve for x
    x = 140,881,942,709.47/403,485.28
  6. Step 6: Final answer
    x = 349,162.53

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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.