Finding the Fourth Proportional to 286,596.24, 395,499.96 and 159,269.28
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Solution
The fourth proportional to 286,596.24, 395,499.96 and 159,269.28 is: 219,790.02
Step by Step Solution
- Step 1: Write the proportion equation
286,596.24 : 395,499.96 = 159,269.28 : x - Step 2: Convert to fraction form
286,596.24/395,499.96 = 159,269.28/x - Step 3: Cross multiply
286,596.24x = 395,499.96 × 159,269.28 - Step 4: Simplify right side
286,596.24x = 62,990,993,869.23 - Step 5: Solve for x
x = 62,990,993,869.23/286,596.24 - Step 6: Final answer
x = 219,790.02
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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.