Home / 557,138-836,039.08-202,179.72

Finding the Fourth Proportional to 557,138, 836,039.08 and 202,179.72

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Solution

The fourth proportional to 557,138, 836,039.08 and 202,179.72 is: 303,390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,138 : 836,039.08 = 202,179.72 : x
  2. Step 2: Convert to fraction form
    557,138/836,039.08 = 202,179.72/x
  3. Step 3: Cross multiply
    557,138x = 836,039.08 × 202,179.72
  4. Step 4: Simplify right side
    557,138x = 169,030,147,103.46
  5. Step 5: Solve for x
    x = 169,030,147,103.46/557,138
  6. Step 6: Final answer
    x = 303,390.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.