Finding the Fourth Proportional to 106,015.05, 146,310.12 and 58,277.70
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Solution
The fourth proportional to 106,015.05, 146,310.12 and 58,277.70 is: 80,428.37
Step by Step Solution
- Step 1: Write the proportion equation
106,015.05 : 146,310.12 = 58,277.70 : x - Step 2: Convert to fraction form
106,015.05/146,310.12 = 58,277.70/x - Step 3: Cross multiply
106,015.05x = 146,310.12 × 58,277.70 - Step 4: Simplify right side
106,015.05x = 8,526,617,280.32 - Step 5: Solve for x
x = 8,526,617,280.32/106,015.05 - Step 6: Final answer
x = 80,428.37
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1.5x scale
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.