Home / 274,542.05-379,005.62-172,623.58

Finding the Fourth Proportional to 274,542.05, 379,005.62 and 172,623.58

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Solution

The fourth proportional to 274,542.05, 379,005.62 and 172,623.58 is: 238,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,542.05 : 379,005.62 = 172,623.58 : x
  2. Step 2: Convert to fraction form
    274,542.05/379,005.62 = 172,623.58/x
  3. Step 3: Cross multiply
    274,542.05x = 379,005.62 × 172,623.58
  4. Step 4: Simplify right side
    274,542.05x = 65,425,306,964.52
  5. Step 5: Solve for x
    x = 65,425,306,964.52/274,542.05
  6. Step 6: Final answer
    x = 238,307.05

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1.5x scale

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.