Home / 314,513.69-434,033.03-178,537.37

Finding the Fourth Proportional to 314,513.69, 434,033.03 and 178,537.37

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Solution

The fourth proportional to 314,513.69, 434,033.03 and 178,537.37 is: 246,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,513.69 : 434,033.03 = 178,537.37 : x
  2. Step 2: Convert to fraction form
    314,513.69/434,033.03 = 178,537.37/x
  3. Step 3: Cross multiply
    314,513.69x = 434,033.03 × 178,537.37
  4. Step 4: Simplify right side
    314,513.69x = 77,491,113,945.51
  5. Step 5: Solve for x
    x = 77,491,113,945.51/314,513.69
  6. Step 6: Final answer
    x = 246,383.92

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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.