Home / 274,703.07-379,072.19-153,816.64

Finding the Fourth Proportional to 274,703.07, 379,072.19 and 153,816.64

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Solution

The fourth proportional to 274,703.07, 379,072.19 and 153,816.64 is: 212,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,703.07 : 379,072.19 = 153,816.64 : x
  2. Step 2: Convert to fraction form
    274,703.07/379,072.19 = 153,816.64/x
  3. Step 3: Cross multiply
    274,703.07x = 379,072.19 × 153,816.64
  4. Step 4: Simplify right side
    274,703.07x = 58,307,610,583.24
  5. Step 5: Solve for x
    x = 58,307,610,583.24/274,703.07
  6. Step 6: Final answer
    x = 212,256.86

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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.