Home / 372,014.33-513,356.78-208,661.85

Finding the Fourth Proportional to 372,014.33, 513,356.78 and 208,661.85

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Solution

The fourth proportional to 372,014.33, 513,356.78 and 208,661.85 is: 287,940.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,014.33 : 513,356.78 = 208,661.85 : x
  2. Step 2: Convert to fraction form
    372,014.33/513,356.78 = 208,661.85/x
  3. Step 3: Cross multiply
    372,014.33x = 513,356.78 × 208,661.85
  4. Step 4: Simplify right side
    372,014.33x = 107,117,975,946.50
  5. Step 5: Solve for x
    x = 107,117,975,946.50/372,014.33
  6. Step 6: Final answer
    x = 287,940.46

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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.