Home / 272,540.63-376,021.41-154,648.23

Finding the Fourth Proportional to 272,540.63, 376,021.41 and 154,648.23

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Solution

The fourth proportional to 272,540.63, 376,021.41 and 154,648.23 is: 213,366.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,540.63 : 376,021.41 = 154,648.23 : x
  2. Step 2: Convert to fraction form
    272,540.63/376,021.41 = 154,648.23/x
  3. Step 3: Cross multiply
    272,540.63x = 376,021.41 × 154,648.23
  4. Step 4: Simplify right side
    272,540.63x = 58,151,045,498.60
  5. Step 5: Solve for x
    x = 58,151,045,498.60/272,540.63
  6. Step 6: Final answer
    x = 213,366.52

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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.