Home / 346,790.20-520,185.30-180,556.60

Finding the Fourth Proportional to 346,790.20, 520,185.30 and 180,556.60

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Solution

The fourth proportional to 346,790.20, 520,185.30 and 180,556.60 is: 270,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,790.20 : 520,185.30 = 180,556.60 : x
  2. Step 2: Convert to fraction form
    346,790.20/520,185.30 = 180,556.60/x
  3. Step 3: Cross multiply
    346,790.20x = 520,185.30 × 180,556.60
  4. Step 4: Simplify right side
    346,790.20x = 93,922,889,137.98
  5. Step 5: Solve for x
    x = 93,922,889,137.98/346,790.20
  6. Step 6: Final answer
    x = 270,834.90

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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.