Home / 379,795.60-524,121.36-210,032.56

Finding the Fourth Proportional to 379,795.60, 524,121.36 and 210,032.56

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Solution

The fourth proportional to 379,795.60, 524,121.36 and 210,032.56 is: 289,846.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,795.60 : 524,121.36 = 210,032.56 : x
  2. Step 2: Convert to fraction form
    379,795.60/524,121.36 = 210,032.56/x
  3. Step 3: Cross multiply
    379,795.60x = 524,121.36 × 210,032.56
  4. Step 4: Simplify right side
    379,795.60x = 110,082,550,991.48
  5. Step 5: Solve for x
    x = 110,082,550,991.48/379,795.60
  6. Step 6: Final answer
    x = 289,846.83

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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.