Home / 379,975.50-524,320.83-210,186.54

Finding the Fourth Proportional to 379,975.50, 524,320.83 and 210,186.54

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Solution

The fourth proportional to 379,975.50, 524,320.83 and 210,186.54 is: 290,032.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,975.50 : 524,320.83 = 210,186.54 : x
  2. Step 2: Convert to fraction form
    379,975.50/524,320.83 = 210,186.54/x
  3. Step 3: Cross multiply
    379,975.50x = 524,320.83 × 210,186.54
  4. Step 4: Simplify right side
    379,975.50x = 110,205,181,107.63
  5. Step 5: Solve for x
    x = 110,205,181,107.63/379,975.50
  6. Step 6: Final answer
    x = 290,032.33

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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.