Home / 383,529.74-529,271.62-213,760.22

Finding the Fourth Proportional to 383,529.74, 529,271.62 and 213,760.22

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Solution

The fourth proportional to 383,529.74, 529,271.62 and 213,760.22 is: 294,989.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,529.74 : 529,271.62 = 213,760.22 : x
  2. Step 2: Convert to fraction form
    383,529.74/529,271.62 = 213,760.22/x
  3. Step 3: Cross multiply
    383,529.74x = 529,271.62 × 213,760.22
  4. Step 4: Simplify right side
    383,529.74x = 113,137,214,750.20
  5. Step 5: Solve for x
    x = 113,137,214,750.20/383,529.74
  6. Step 6: Final answer
    x = 294,989.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.