Finding the Fourth Proportional to 135,218.60, 202,808.70 and 46,476.20
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Solution
The fourth proportional to 135,218.60, 202,808.70 and 46,476.20 is: 69,707.70
Step by Step Solution
- Step 1: Write the proportion equation
135,218.60 : 202,808.70 = 46,476.20 : x - Step 2: Convert to fraction form
135,218.60/202,808.70 = 46,476.20/x - Step 3: Cross multiply
135,218.60x = 202,808.70 × 46,476.20 - Step 4: Simplify right side
135,218.60x = 9,425,777,702.94 - Step 5: Solve for x
x = 9,425,777,702.94/135,218.60 - Step 6: Final answer
x = 69,707.70
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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.