Home / 286,329.85-395,153.48-159,005.44

Finding the Fourth Proportional to 286,329.85, 395,153.48 and 159,005.44

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Solution

The fourth proportional to 286,329.85, 395,153.48 and 159,005.44 is: 219,437.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,329.85 : 395,153.48 = 159,005.44 : x
  2. Step 2: Convert to fraction form
    286,329.85/395,153.48 = 159,005.44/x
  3. Step 3: Cross multiply
    286,329.85x = 395,153.48 × 159,005.44
  4. Step 4: Simplify right side
    286,329.85x = 62,831,552,954.93
  5. Step 5: Solve for x
    x = 62,831,552,954.93/286,329.85
  6. Step 6: Final answer
    x = 219,437.66

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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.