Finding the Fourth Proportional to 135,042.49, 202,563.82 and 35,202.43
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Solution
The fourth proportional to 135,042.49, 202,563.82 and 35,202.43 is: 52,803.66
Step by Step Solution
- Step 1: Write the proportion equation
135,042.49 : 202,563.82 = 35,202.43 : x - Step 2: Convert to fraction form
135,042.49/202,563.82 = 35,202.43/x - Step 3: Cross multiply
135,042.49x = 202,563.82 × 35,202.43 - Step 4: Simplify right side
135,042.49x = 7,130,737,681.26 - Step 5: Solve for x
x = 7,130,737,681.26/135,042.49 - Step 6: Final answer
x = 52,803.66
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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.