Home / 351,135.20-526,357.20-173,669.60

Finding the Fourth Proportional to 351,135.20, 526,357.20 and 173,669.60

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Solution

The fourth proportional to 351,135.20, 526,357.20 and 173,669.60 is: 260,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,135.20 : 526,357.20 = 173,669.60 : x
  2. Step 2: Convert to fraction form
    351,135.20/526,357.20 = 173,669.60/x
  3. Step 3: Cross multiply
    351,135.20x = 526,357.20 × 173,669.60
  4. Step 4: Simplify right side
    351,135.20x = 91,412,244,381.12
  5. Step 5: Solve for x
    x = 91,412,244,381.12/351,135.20
  6. Step 6: Final answer
    x = 260,333.47

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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.