Home / 290,823.54-401,172.57-169,939.14

Finding the Fourth Proportional to 290,823.54, 401,172.57 and 169,939.14

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Solution

The fourth proportional to 290,823.54, 401,172.57 and 169,939.14 is: 234,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,823.54 : 401,172.57 = 169,939.14 : x
  2. Step 2: Convert to fraction form
    290,823.54/401,172.57 = 169,939.14/x
  3. Step 3: Cross multiply
    290,823.54x = 401,172.57 × 169,939.14
  4. Step 4: Simplify right side
    290,823.54x = 68,174,921,537.39
  5. Step 5: Solve for x
    x = 68,174,921,537.39/290,823.54
  6. Step 6: Final answer
    x = 234,420.23

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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.