Finding the Fourth Proportional to 135,145.60, 202,736.99 and 46,387.55
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Solution
The fourth proportional to 135,145.60, 202,736.99 and 46,387.55 is: 69,587.71
Step by Step Solution
- Step 1: Write the proportion equation
135,145.60 : 202,736.99 = 46,387.55 : x - Step 2: Convert to fraction form
135,145.60/202,736.99 = 46,387.55/x - Step 3: Cross multiply
135,145.60x = 202,736.99 × 46,387.55 - Step 4: Simplify right side
135,145.60x = 9,404,472,883.29 - Step 5: Solve for x
x = 9,404,472,883.29/135,145.60 - Step 6: Final answer
x = 69,587.71
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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.