Finding the Fourth Proportional to 405,601.05, 608,355.11 and 106,110.54
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Solution
The fourth proportional to 405,601.05, 608,355.11 and 106,110.54 is: 159,153.65
Step by Step Solution
- Step 1: Write the proportion equation
405,601.05 : 608,355.11 = 106,110.54 : x - Step 2: Convert to fraction form
405,601.05/608,355.11 = 106,110.54/x - Step 3: Cross multiply
405,601.05x = 608,355.11 × 106,110.54 - Step 4: Simplify right side
405,601.05x = 64,552,888,902.26 - Step 5: Solve for x
x = 64,552,888,902.26/405,601.05 - Step 6: Final answer
x = 159,153.65
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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.