Finding the Fourth Proportional to 277,517.74, 415,941.39 and 135,149.68
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Solution
The fourth proportional to 277,517.74, 415,941.39 and 135,149.68 is: 202,561.27
Step by Step Solution
- Step 1: Write the proportion equation
277,517.74 : 415,941.39 = 135,149.68 : x - Step 2: Convert to fraction form
277,517.74/415,941.39 = 135,149.68/x - Step 3: Cross multiply
277,517.74x = 415,941.39 × 135,149.68 - Step 4: Simplify right side
277,517.74x = 56,214,345,387.11 - Step 5: Solve for x
x = 56,214,345,387.11/277,517.74 - Step 6: Final answer
x = 202,561.27
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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.