Home / 302,009.13-453,016.43-91,647.07

Finding the Fourth Proportional to 302,009.13, 453,016.43 and 91,647.07

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Solution

The fourth proportional to 302,009.13, 453,016.43 and 91,647.07 is: 137,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,009.13 : 453,016.43 = 91,647.07 : x
  2. Step 2: Convert to fraction form
    302,009.13/453,016.43 = 91,647.07/x
  3. Step 3: Cross multiply
    302,009.13x = 453,016.43 × 91,647.07
  4. Step 4: Simplify right side
    302,009.13x = 41,517,628,471.36
  5. Step 5: Solve for x
    x = 41,517,628,471.36/302,009.13
  6. Step 6: Final answer
    x = 137,471.43

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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.