Finding the Fourth Proportional to 202,153.10, 302,865.15 and 96,739.70
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Solution
The fourth proportional to 202,153.10, 302,865.15 and 96,739.70 is: 144,935.12
Step by Step Solution
- Step 1: Write the proportion equation
202,153.10 : 302,865.15 = 96,739.70 : x - Step 2: Convert to fraction form
202,153.10/302,865.15 = 96,739.70/x - Step 3: Cross multiply
202,153.10x = 302,865.15 × 96,739.70 - Step 4: Simplify right side
202,153.10x = 29,299,083,751.46 - Step 5: Solve for x
x = 29,299,083,751.46/202,153.10 - Step 6: Final answer
x = 144,935.12
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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.