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Finding the Fourth Proportional to 286,675.53, 395,625.65 and 159,353.25

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Solution

The fourth proportional to 286,675.53, 395,625.65 and 159,353.25 is: 219,914.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,675.53 : 395,625.65 = 159,353.25 : x
  2. Step 2: Convert to fraction form
    286,675.53/395,625.65 = 159,353.25/x
  3. Step 3: Cross multiply
    286,675.53x = 395,625.65 × 159,353.25
  4. Step 4: Simplify right side
    286,675.53x = 63,044,232,314.10
  5. Step 5: Solve for x
    x = 63,044,232,314.10/286,675.53
  6. Step 6: Final answer
    x = 219,914.94

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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.