Home / 281,642.05-388,681.59-160,822.14

Finding the Fourth Proportional to 281,642.05, 388,681.59 and 160,822.14

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Solution

The fourth proportional to 281,642.05, 388,681.59 and 160,822.14 is: 221,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,642.05 : 388,681.59 = 160,822.14 : x
  2. Step 2: Convert to fraction form
    281,642.05/388,681.59 = 160,822.14/x
  3. Step 3: Cross multiply
    281,642.05x = 388,681.59 × 160,822.14
  4. Step 4: Simplify right side
    281,642.05x = 62,508,604,965.17
  5. Step 5: Solve for x
    x = 62,508,604,965.17/281,642.05
  6. Step 6: Final answer
    x = 221,943.44

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1.5x scale

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.