Home / 304,408.24-420,201.06-272,521.72

Finding the Fourth Proportional to 304,408.24, 420,201.06 and 272,521.72

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Solution

The fourth proportional to 304,408.24, 420,201.06 and 272,521.72 is: 376,185.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,408.24 : 420,201.06 = 272,521.72 : x
  2. Step 2: Convert to fraction form
    304,408.24/420,201.06 = 272,521.72/x
  3. Step 3: Cross multiply
    304,408.24x = 420,201.06 × 272,521.72
  4. Step 4: Simplify right side
    304,408.24x = 114,513,915,617.02
  5. Step 5: Solve for x
    x = 114,513,915,617.02/304,408.24
  6. Step 6: Final answer
    x = 376,185.33

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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.