Home / 282,940.77-390,619.71-187,576.62

Finding the Fourth Proportional to 282,940.77, 390,619.71 and 187,576.62

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Solution

The fourth proportional to 282,940.77, 390,619.71 and 187,576.62 is: 258,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,940.77 : 390,619.71 = 187,576.62 : x
  2. Step 2: Convert to fraction form
    282,940.77/390,619.71 = 187,576.62/x
  3. Step 3: Cross multiply
    282,940.77x = 390,619.71 × 187,576.62
  4. Step 4: Simplify right side
    282,940.77x = 73,271,124,907.18
  5. Step 5: Solve for x
    x = 73,271,124,907.18/282,940.77
  6. Step 6: Final answer
    x = 258,962.77

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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.