Home / 286,283.94-395,083.89-158,971.38

Finding the Fourth Proportional to 286,283.94, 395,083.89 and 158,971.38

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Solution

The fourth proportional to 286,283.94, 395,083.89 and 158,971.38 is: 219,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,283.94 : 395,083.89 = 158,971.38 : x
  2. Step 2: Convert to fraction form
    286,283.94/395,083.89 = 158,971.38/x
  3. Step 3: Cross multiply
    286,283.94x = 395,083.89 × 158,971.38
  4. Step 4: Simplify right side
    286,283.94x = 62,807,031,209.07
  5. Step 5: Solve for x
    x = 62,807,031,209.07/286,283.94
  6. Step 6: Final answer
    x = 219,387.20

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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.