Finding the Fourth Proportional to 108,273.24, 149,412.62 and 62,949.30
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Solution
The fourth proportional to 108,273.24, 149,412.62 and 62,949.30 is: 86,867.45
Step by Step Solution
- Step 1: Write the proportion equation
108,273.24 : 149,412.62 = 62,949.30 : x - Step 2: Convert to fraction form
108,273.24/149,412.62 = 62,949.30/x - Step 3: Cross multiply
108,273.24x = 149,412.62 × 62,949.30 - Step 4: Simplify right side
108,273.24x = 9,405,419,840.17 - Step 5: Solve for x
x = 9,405,419,840.17/108,273.24 - Step 6: Final answer
x = 86,867.45
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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.