Home / 251,645.20-376,811.70-162,415.60

Finding the Fourth Proportional to 251,645.20, 376,811.70 and 162,415.60

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Solution

The fourth proportional to 251,645.20, 376,811.70 and 162,415.60 is: 243,199.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,645.20 : 376,811.70 = 162,415.60 : x
  2. Step 2: Convert to fraction form
    251,645.20/376,811.70 = 162,415.60/x
  3. Step 3: Cross multiply
    251,645.20x = 376,811.70 × 162,415.60
  4. Step 4: Simplify right side
    251,645.20x = 61,200,098,342.52
  5. Step 5: Solve for x
    x = 61,200,098,342.52/251,645.20
  6. Step 6: Final answer
    x = 243,199.94

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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.