Home / 372,334.56-513,799.97-208,975.89

Finding the Fourth Proportional to 372,334.56, 513,799.97 and 208,975.89

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Solution

The fourth proportional to 372,334.56, 513,799.97 and 208,975.89 is: 288,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,334.56 : 513,799.97 = 208,975.89 : x
  2. Step 2: Convert to fraction form
    372,334.56/513,799.97 = 208,975.89/x
  3. Step 3: Cross multiply
    372,334.56x = 513,799.97 × 208,975.89
  4. Step 4: Simplify right side
    372,334.56x = 107,371,802,921.28
  5. Step 5: Solve for x
    x = 107,371,802,921.28/372,334.56
  6. Step 6: Final answer
    x = 288,374.53

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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.