Home / 290,288.22-400,527.64-169,360.50

Finding the Fourth Proportional to 290,288.22, 400,527.64 and 169,360.50

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Solution

The fourth proportional to 290,288.22, 400,527.64 and 169,360.50 is: 233,676.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,288.22 : 400,527.64 = 169,360.50 : x
  2. Step 2: Convert to fraction form
    290,288.22/400,527.64 = 169,360.50/x
  3. Step 3: Cross multiply
    290,288.22x = 400,527.64 × 169,360.50
  4. Step 4: Simplify right side
    290,288.22x = 67,833,561,374.22
  5. Step 5: Solve for x
    x = 67,833,561,374.22/290,288.22
  6. Step 6: Final answer
    x = 233,676.59

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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.