Home / 281,576.57-388,577.03-154,252.17

Finding the Fourth Proportional to 281,576.57, 388,577.03 and 154,252.17

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Solution

The fourth proportional to 281,576.57, 388,577.03 and 154,252.17 is: 212,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,576.57 : 388,577.03 = 154,252.17 : x
  2. Step 2: Convert to fraction form
    281,576.57/388,577.03 = 154,252.17/x
  3. Step 3: Cross multiply
    281,576.57x = 388,577.03 × 154,252.17
  4. Step 4: Simplify right side
    281,576.57x = 59,938,849,318.39
  5. Step 5: Solve for x
    x = 59,938,849,318.39/281,576.57
  6. Step 6: Final answer
    x = 212,868.74

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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.