Home / 286,786.41-395,762.79-159,460.89

Finding the Fourth Proportional to 286,786.41, 395,762.79 and 159,460.89

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Solution

The fourth proportional to 286,786.41, 395,762.79 and 159,460.89 is: 220,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,786.41 : 395,762.79 = 159,460.89 : x
  2. Step 2: Convert to fraction form
    286,786.41/395,762.79 = 159,460.89/x
  3. Step 3: Cross multiply
    286,786.41x = 395,762.79 × 159,460.89
  4. Step 4: Simplify right side
    286,786.41x = 63,108,686,722.28
  5. Step 5: Solve for x
    x = 63,108,686,722.28/286,786.41
  6. Step 6: Final answer
    x = 220,054.66

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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.