Home / 320,721.04-481,071.57-152,362.54

Finding the Fourth Proportional to 320,721.04, 481,071.57 and 152,362.54

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Solution

The fourth proportional to 320,721.04, 481,071.57 and 152,362.54 is: 228,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,721.04 : 481,071.57 = 152,362.54 : x
  2. Step 2: Convert to fraction form
    320,721.04/481,071.57 = 152,362.54/x
  3. Step 3: Cross multiply
    320,721.04x = 481,071.57 × 152,362.54
  4. Step 4: Simplify right side
    320,721.04x = 73,297,286,326.99
  5. Step 5: Solve for x
    x = 73,297,286,326.99/320,721.04
  6. Step 6: Final answer
    x = 228,539.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.