Home / 286,911.36-395,702.15-254,669.58

Finding the Fourth Proportional to 286,911.36, 395,702.15 and 254,669.58

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Solution

The fourth proportional to 286,911.36, 395,702.15 and 254,669.58 is: 351,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,911.36 : 395,702.15 = 254,669.58 : x
  2. Step 2: Convert to fraction form
    286,911.36/395,702.15 = 254,669.58/x
  3. Step 3: Cross multiply
    286,911.36x = 395,702.15 × 254,669.58
  4. Step 4: Simplify right side
    286,911.36x = 100,773,299,072.25
  5. Step 5: Solve for x
    x = 100,773,299,072.25/286,911.36
  6. Step 6: Final answer
    x = 351,234.96

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1.5x scale

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.