Home / 286,512.24-395,384.04-159,185.16

Finding the Fourth Proportional to 286,512.24, 395,384.04 and 159,185.16

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Solution

The fourth proportional to 286,512.24, 395,384.04 and 159,185.16 is: 219,673.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,512.24 : 395,384.04 = 159,185.16 : x
  2. Step 2: Convert to fraction form
    286,512.24/395,384.04 = 159,185.16/x
  3. Step 3: Cross multiply
    286,512.24x = 395,384.04 × 159,185.16
  4. Step 4: Simplify right side
    286,512.24x = 62,939,271,668.85
  5. Step 5: Solve for x
    x = 62,939,271,668.85/286,512.24
  6. Step 6: Final answer
    x = 219,673.94

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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.