Finding the Fourth Proportional to 135,490.19, 203,328.56 and 46,743.77
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Solution
The fourth proportional to 135,490.19, 203,328.56 and 46,743.77 is: 70,147.84
Step by Step Solution
- Step 1: Write the proportion equation
135,490.19 : 203,328.56 = 46,743.77 : x - Step 2: Convert to fraction form
135,490.19/203,328.56 = 46,743.77/x - Step 3: Cross multiply
135,490.19x = 203,328.56 × 46,743.77 - Step 4: Simplify right side
135,490.19x = 9,504,344,068.25 - Step 5: Solve for x
x = 9,504,344,068.25/135,490.19 - Step 6: Final answer
x = 70,147.84
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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.