Home / 260,428.14-390,670.83-82,893.57

Finding the Fourth Proportional to 260,428.14, 390,670.83 and 82,893.57

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Solution

The fourth proportional to 260,428.14, 390,670.83 and 82,893.57 is: 124,349.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,428.14 : 390,670.83 = 82,893.57 : x
  2. Step 2: Convert to fraction form
    260,428.14/390,670.83 = 82,893.57/x
  3. Step 3: Cross multiply
    260,428.14x = 390,670.83 × 82,893.57
  4. Step 4: Simplify right side
    260,428.14x = 32,384,099,793.56
  5. Step 5: Solve for x
    x = 32,384,099,793.56/260,428.14
  6. Step 6: Final answer
    x = 124,349.46

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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.