Home / 281,642.30-388,681.93-160,822.39

Finding the Fourth Proportional to 281,642.30, 388,681.93 and 160,822.39

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Solution

The fourth proportional to 281,642.30, 388,681.93 and 160,822.39 is: 221,943.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,642.30 : 388,681.93 = 160,822.39 : x
  2. Step 2: Convert to fraction form
    281,642.30/388,681.93 = 160,822.39/x
  3. Step 3: Cross multiply
    281,642.30x = 388,681.93 × 160,822.39
  4. Step 4: Simplify right side
    281,642.30x = 62,508,757,619.29
  5. Step 5: Solve for x
    x = 62,508,757,619.29/281,642.30
  6. Step 6: Final answer
    x = 221,943.79

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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.