Finding the Fourth Proportional to 106,177.44, 159,293.73 and 39,618.07
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Solution
The fourth proportional to 106,177.44, 159,293.73 and 39,618.07 is: 59,437.39
Step by Step Solution
- Step 1: Write the proportion equation
106,177.44 : 159,293.73 = 39,618.07 : x - Step 2: Convert to fraction form
106,177.44/159,293.73 = 39,618.07/x - Step 3: Cross multiply
106,177.44x = 159,293.73 × 39,618.07 - Step 4: Simplify right side
106,177.44x = 6,310,910,065.48 - Step 5: Solve for x
x = 6,310,910,065.48/106,177.44 - Step 6: Final answer
x = 59,437.39
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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.