Home / 290,672.22-401,237.28-169,852.79

Finding the Fourth Proportional to 290,672.22, 401,237.28 and 169,852.79

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Solution

The fourth proportional to 290,672.22, 401,237.28 and 169,852.79 is: 234,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,672.22 : 401,237.28 = 169,852.79 : x
  2. Step 2: Convert to fraction form
    290,672.22/401,237.28 = 169,852.79/x
  3. Step 3: Cross multiply
    290,672.22x = 401,237.28 × 169,852.79
  4. Step 4: Simplify right side
    290,672.22x = 68,151,269,453.82
  5. Step 5: Solve for x
    x = 68,151,269,453.82/290,672.22
  6. Step 6: Final answer
    x = 234,460.90

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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.