Home / 230,977.80-346,466.70-218,730.60

Finding the Fourth Proportional to 230,977.80, 346,466.70 and 218,730.60

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Solution

The fourth proportional to 230,977.80, 346,466.70 and 218,730.60 is: 328,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,977.80 : 346,466.70 = 218,730.60 : x
  2. Step 2: Convert to fraction form
    230,977.80/346,466.70 = 218,730.60/x
  3. Step 3: Cross multiply
    230,977.80x = 346,466.70 × 218,730.60
  4. Step 4: Simplify right side
    230,977.80x = 75,782,869,171.02
  5. Step 5: Solve for x
    x = 75,782,869,171.02/230,977.80
  6. Step 6: Final answer
    x = 328,095.90

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1.5x scale

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.