Finding the Fourth Proportional to 135,029.10, 202,543.65 and 132,696.30
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Solution
The fourth proportional to 135,029.10, 202,543.65 and 132,696.30 is: 199,044.45
Step by Step Solution
- Step 1: Write the proportion equation
135,029.10 : 202,543.65 = 132,696.30 : x - Step 2: Convert to fraction form
135,029.10/202,543.65 = 132,696.30/x - Step 3: Cross multiply
135,029.10x = 202,543.65 × 132,696.30 - Step 4: Simplify right side
135,029.10x = 26,876,792,943.50 - Step 5: Solve for x
x = 26,876,792,943.50/135,029.10 - Step 6: Final answer
x = 199,044.45
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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.