Finding the Fourth Proportional to 106,269.30, 159,447.06 and 39,728.52
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Solution
The fourth proportional to 106,269.30, 159,447.06 and 39,728.52 is: 59,608.90
Step by Step Solution
- Step 1: Write the proportion equation
106,269.30 : 159,447.06 = 39,728.52 : x - Step 2: Convert to fraction form
106,269.30/159,447.06 = 39,728.52/x - Step 3: Cross multiply
106,269.30x = 159,447.06 × 39,728.52 - Step 4: Simplify right side
106,269.30x = 6,334,595,712.15 - Step 5: Solve for x
x = 6,334,595,712.15/106,269.30 - Step 6: Final answer
x = 59,608.90
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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.