Home / 383,529.24-529,270.93-213,759.72

Finding the Fourth Proportional to 383,529.24, 529,270.93 and 213,759.72

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Solution

The fourth proportional to 383,529.24, 529,270.93 and 213,759.72 is: 294,988.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,529.24 : 529,270.93 = 213,759.72 : x
  2. Step 2: Convert to fraction form
    383,529.24/529,270.93 = 213,759.72/x
  3. Step 3: Cross multiply
    383,529.24x = 529,270.93 × 213,759.72
  4. Step 4: Simplify right side
    383,529.24x = 113,136,802,620.19
  5. Step 5: Solve for x
    x = 113,136,802,620.19/383,529.24
  6. Step 6: Final answer
    x = 294,988.73

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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.