Home / 202,446.48-279,378.36-111,802.28

Finding the Fourth Proportional to 202,446.48, 279,378.36 and 111,802.28

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Solution

The fourth proportional to 202,446.48, 279,378.36 and 111,802.28 is: 154,288.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,446.48 : 279,378.36 = 111,802.28 : x
  2. Step 2: Convert to fraction form
    202,446.48/279,378.36 = 111,802.28/x
  3. Step 3: Cross multiply
    202,446.48x = 279,378.36 × 111,802.28
  4. Step 4: Simplify right side
    202,446.48x = 31,235,137,630.66
  5. Step 5: Solve for x
    x = 31,235,137,630.66/202,446.48
  6. Step 6: Final answer
    x = 154,288.37

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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.