Home / 281,723.92-388,749.72-160,852.48

Finding the Fourth Proportional to 281,723.92, 388,749.72 and 160,852.48

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Solution

The fourth proportional to 281,723.92, 388,749.72 and 160,852.48 is: 221,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,723.92 : 388,749.72 = 160,852.48 : x
  2. Step 2: Convert to fraction form
    281,723.92/388,749.72 = 160,852.48/x
  3. Step 3: Cross multiply
    281,723.92x = 388,749.72 × 160,852.48
  4. Step 4: Simplify right side
    281,723.92x = 62,531,356,561.31
  5. Step 5: Solve for x
    x = 62,531,356,561.31/281,723.92
  6. Step 6: Final answer
    x = 221,959.70

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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.