Home / 638,175.36-957,429.08-238,847.52

Finding the Fourth Proportional to 638,175.36, 957,429.08 and 238,847.52

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Solution

The fourth proportional to 638,175.36, 957,429.08 and 238,847.52 is: 358,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,175.36 : 957,429.08 = 238,847.52 : x
  2. Step 2: Convert to fraction form
    638,175.36/957,429.08 = 238,847.52/x
  3. Step 3: Cross multiply
    638,175.36x = 957,429.08 × 238,847.52
  4. Step 4: Simplify right side
    638,175.36x = 228,679,561,333.88
  5. Step 5: Solve for x
    x = 228,679,561,333.88/638,175.36
  6. Step 6: Final answer
    x = 358,333.42

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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.