Home / 372,243.78-513,656.73-219,272.94

Finding the Fourth Proportional to 372,243.78, 513,656.73 and 219,272.94

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Solution

The fourth proportional to 372,243.78, 513,656.73 and 219,272.94 is: 302,573.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,243.78 : 513,656.73 = 219,272.94 : x
  2. Step 2: Convert to fraction form
    372,243.78/513,656.73 = 219,272.94/x
  3. Step 3: Cross multiply
    372,243.78x = 513,656.73 × 219,272.94
  4. Step 4: Simplify right side
    372,243.78x = 112,631,021,337.89
  5. Step 5: Solve for x
    x = 112,631,021,337.89/372,243.78
  6. Step 6: Final answer
    x = 302,573.28

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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.