Home / 351,136.20-526,358.70-173,670.60

Finding the Fourth Proportional to 351,136.20, 526,358.70 and 173,670.60

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Solution

The fourth proportional to 351,136.20, 526,358.70 and 173,670.60 is: 260,334.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,136.20 : 526,358.70 = 173,670.60 : x
  2. Step 2: Convert to fraction form
    351,136.20/526,358.70 = 173,670.60/x
  3. Step 3: Cross multiply
    351,136.20x = 526,358.70 × 173,670.60
  4. Step 4: Simplify right side
    351,136.20x = 91,413,031,244.22
  5. Step 5: Solve for x
    x = 91,413,031,244.22/351,136.20
  6. Step 6: Final answer
    x = 260,334.97

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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.