Finding the Fourth Proportional to 202,345.70, 303,324.15 and 157,342.10
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Solution
The fourth proportional to 202,345.70, 303,324.15 and 157,342.10 is: 235,861.99
Step by Step Solution
- Step 1: Write the proportion equation
202,345.70 : 303,324.15 = 157,342.10 : x - Step 2: Convert to fraction form
202,345.70/303,324.15 = 157,342.10/x - Step 3: Cross multiply
202,345.70x = 303,324.15 × 157,342.10 - Step 4: Simplify right side
202,345.70x = 47,725,658,741.72 - Step 5: Solve for x
x = 47,725,658,741.72/202,345.70 - Step 6: Final answer
x = 235,861.99
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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.