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Finding the Fourth Proportional to 325,143.01, 448,848 and 189,127.41

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Solution

The fourth proportional to 325,143.01, 448,848 and 189,127.41 is: 261,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,143.01 : 448,848 = 189,127.41 : x
  2. Step 2: Convert to fraction form
    325,143.01/448,848 = 189,127.41/x
  3. Step 3: Cross multiply
    325,143.01x = 448,848 × 189,127.41
  4. Step 4: Simplify right side
    325,143.01x = 84,889,458,040.50
  5. Step 5: Solve for x
    x = 84,889,458,040.50/325,143.01
  6. Step 6: Final answer
    x = 261,083.45

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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.