Home / 281,628.79-388,632.86-160,765.27

Finding the Fourth Proportional to 281,628.79, 388,632.86 and 160,765.27

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Solution

The fourth proportional to 281,628.79, 388,632.86 and 160,765.27 is: 221,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,628.79 : 388,632.86 = 160,765.27 : x
  2. Step 2: Convert to fraction form
    281,628.79/388,632.86 = 160,765.27/x
  3. Step 3: Cross multiply
    281,628.79x = 388,632.86 × 160,765.27
  4. Step 4: Simplify right side
    281,628.79x = 62,478,663,921.78
  5. Step 5: Solve for x
    x = 62,478,663,921.78/281,628.79
  6. Step 6: Final answer
    x = 221,847.58

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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.