Home / 352,145.40-526,835.70-318,967.80

Finding the Fourth Proportional to 352,145.40, 526,835.70 and 318,967.80

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Solution

The fourth proportional to 352,145.40, 526,835.70 and 318,967.80 is: 477,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,145.40 : 526,835.70 = 318,967.80 : x
  2. Step 2: Convert to fraction form
    352,145.40/526,835.70 = 318,967.80/x
  3. Step 3: Cross multiply
    352,145.40x = 526,835.70 × 318,967.80
  4. Step 4: Simplify right side
    352,145.40x = 168,043,624,190.46
  5. Step 5: Solve for x
    x = 168,043,624,190.46/352,145.40
  6. Step 6: Final answer
    x = 477,199.54

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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.