Finding the Fourth Proportional to 135,386.36, 203,121.06 and 60,569.48
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Solution
The fourth proportional to 135,386.36, 203,121.06 and 60,569.48 is: 90,872.80
Step by Step Solution
- Step 1: Write the proportion equation
135,386.36 : 203,121.06 = 60,569.48 : x - Step 2: Convert to fraction form
135,386.36/203,121.06 = 60,569.48/x - Step 3: Cross multiply
135,386.36x = 203,121.06 × 60,569.48 - Step 4: Simplify right side
135,386.36x = 12,302,936,981.25 - Step 5: Solve for x
x = 12,302,936,981.25/135,386.36 - Step 6: Final answer
x = 90,872.80
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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.