Home / 212,745.90-319,118.85-174,692.10

Finding the Fourth Proportional to 212,745.90, 319,118.85 and 174,692.10

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Solution

The fourth proportional to 212,745.90, 319,118.85 and 174,692.10 is: 262,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,745.90 : 319,118.85 = 174,692.10 : x
  2. Step 2: Convert to fraction form
    212,745.90/319,118.85 = 174,692.10/x
  3. Step 3: Cross multiply
    212,745.90x = 319,118.85 × 174,692.10
  4. Step 4: Simplify right side
    212,745.90x = 55,747,542,056.09
  5. Step 5: Solve for x
    x = 55,747,542,056.09/212,745.90
  6. Step 6: Final answer
    x = 262,038.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.