Home / 286,619.84-395,491.20-159,295.04

Finding the Fourth Proportional to 286,619.84, 395,491.20 and 159,295.04

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Solution

The fourth proportional to 286,619.84, 395,491.20 and 159,295.04 is: 219,802.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,619.84 : 395,491.20 = 159,295.04 : x
  2. Step 2: Convert to fraction form
    286,619.84/395,491.20 = 159,295.04/x
  3. Step 3: Cross multiply
    286,619.84x = 395,491.20 × 159,295.04
  4. Step 4: Simplify right side
    286,619.84x = 62,999,786,523.65
  5. Step 5: Solve for x
    x = 62,999,786,523.65/286,619.84
  6. Step 6: Final answer
    x = 219,802.60

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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.