Home / 380,396.67-524,940.98-210,627.15

Finding the Fourth Proportional to 380,396.67, 524,940.98 and 210,627.15

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Solution

The fourth proportional to 380,396.67, 524,940.98 and 210,627.15 is: 290,661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,396.67 : 524,940.98 = 210,627.15 : x
  2. Step 2: Convert to fraction form
    380,396.67/524,940.98 = 210,627.15/x
  3. Step 3: Cross multiply
    380,396.67x = 524,940.98 × 210,627.15
  4. Step 4: Simplify right side
    380,396.67x = 110,566,819,910.90
  5. Step 5: Solve for x
    x = 110,566,819,910.90/380,396.67
  6. Step 6: Final answer
    x = 290,661.91

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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.