Home / 302,009.15-453,016.46-91,647.09

Finding the Fourth Proportional to 302,009.15, 453,016.46 and 91,647.09

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Solution

The fourth proportional to 302,009.15, 453,016.46 and 91,647.09 is: 137,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,009.15 : 453,016.46 = 91,647.09 : x
  2. Step 2: Convert to fraction form
    302,009.15/453,016.46 = 91,647.09/x
  3. Step 3: Cross multiply
    302,009.15x = 453,016.46 × 91,647.09
  4. Step 4: Simplify right side
    302,009.15x = 41,517,640,281.10
  5. Step 5: Solve for x
    x = 41,517,640,281.10/302,009.15
  6. Step 6: Final answer
    x = 137,471.46

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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.