Home / 290,549.52-400,955.92-163,222.36

Finding the Fourth Proportional to 290,549.52, 400,955.92 and 163,222.36

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Solution

The fourth proportional to 290,549.52, 400,955.92 and 163,222.36 is: 225,245.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,549.52 : 400,955.92 = 163,222.36 : x
  2. Step 2: Convert to fraction form
    290,549.52/400,955.92 = 163,222.36/x
  3. Step 3: Cross multiply
    290,549.52x = 400,955.92 × 163,222.36
  4. Step 4: Simplify right side
    290,549.52x = 65,444,971,518.37
  5. Step 5: Solve for x
    x = 65,444,971,518.37/290,549.52
  6. Step 6: Final answer
    x = 225,245.50

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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.