Finding the Fourth Proportional to 101,302.05, 151,953.08 and 31,202.85
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Solution
The fourth proportional to 101,302.05, 151,953.08 and 31,202.85 is: 46,804.28
Step by Step Solution
- Step 1: Write the proportion equation
101,302.05 : 151,953.08 = 31,202.85 : x - Step 2: Convert to fraction form
101,302.05/151,953.08 = 31,202.85/x - Step 3: Cross multiply
101,302.05x = 151,953.08 × 31,202.85 - Step 4: Simplify right side
101,302.05x = 4,741,369,006.26 - Step 5: Solve for x
x = 4,741,369,006.26/101,302.05 - Step 6: Final answer
x = 46,804.28
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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.