Finding the Fourth Proportional to 306,826.60, 460,228.96 and 107,146.21
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Solution
The fourth proportional to 306,826.60, 460,228.96 and 107,146.21 is: 160,715.49
Step by Step Solution
- Step 1: Write the proportion equation
306,826.60 : 460,228.96 = 107,146.21 : x - Step 2: Convert to fraction form
306,826.60/460,228.96 = 107,146.21/x - Step 3: Cross multiply
306,826.60x = 460,228.96 × 107,146.21 - Step 4: Simplify right side
306,826.60x = 49,311,788,796.24 - Step 5: Solve for x
x = 49,311,788,796.24/306,826.60 - Step 6: Final answer
x = 160,715.49
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1.5x scale
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.