Finding the Fourth Proportional to 135,285.97, 202,707.32 and 72,038.94
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Solution
The fourth proportional to 135,285.97, 202,707.32 and 72,038.94 is: 107,940.39
Step by Step Solution
- Step 1: Write the proportion equation
135,285.97 : 202,707.32 = 72,038.94 : x - Step 2: Convert to fraction form
135,285.97/202,707.32 = 72,038.94/x - Step 3: Cross multiply
135,285.97x = 202,707.32 × 72,038.94 - Step 4: Simplify right side
135,285.97x = 14,602,820,102.85 - Step 5: Solve for x
x = 14,602,820,102.85/135,285.97 - Step 6: Final answer
x = 107,940.39
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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.