Finding the Fourth Proportional to 202,157.10, 302,871.15 and 96,743.70
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Solution
The fourth proportional to 202,157.10, 302,871.15 and 96,743.70 is: 144,941.12
Step by Step Solution
- Step 1: Write the proportion equation
202,157.10 : 302,871.15 = 96,743.70 : x - Step 2: Convert to fraction form
202,157.10/302,871.15 = 96,743.70/x - Step 3: Cross multiply
202,157.10x = 302,871.15 × 96,743.70 - Step 4: Simplify right side
202,157.10x = 29,300,875,674.26 - Step 5: Solve for x
x = 29,300,875,674.26/202,157.10 - Step 6: Final answer
x = 144,941.12
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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.