Home / 351,830.52-526,500-218,773.44

Finding the Fourth Proportional to 351,830.52, 526,500 and 218,773.44

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Solution

The fourth proportional to 351,830.52, 526,500 and 218,773.44 is: 327,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,830.52 : 526,500 = 218,773.44 : x
  2. Step 2: Convert to fraction form
    351,830.52/526,500 = 218,773.44/x
  3. Step 3: Cross multiply
    351,830.52x = 526,500 × 218,773.44
  4. Step 4: Simplify right side
    351,830.52x = 115,184,216,160
  5. Step 5: Solve for x
    x = 115,184,216,160/351,830.52
  6. Step 6: Final answer
    x = 327,385.52

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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.