Home / 351,145.60-526,718.40-322,115.20

Finding the Fourth Proportional to 351,145.60, 526,718.40 and 322,115.20

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Solution

The fourth proportional to 351,145.60, 526,718.40 and 322,115.20 is: 483,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,145.60 : 526,718.40 = 322,115.20 : x
  2. Step 2: Convert to fraction form
    351,145.60/526,718.40 = 322,115.20/x
  3. Step 3: Cross multiply
    351,145.60x = 526,718.40 × 322,115.20
  4. Step 4: Simplify right side
    351,145.60x = 169,664,002,759.68
  5. Step 5: Solve for x
    x = 169,664,002,759.68/351,145.60
  6. Step 6: Final answer
    x = 483,172.80

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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.