Finding the Fourth Proportional to 191,541.78, 264,329.73 and 106,660.26
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Solution
The fourth proportional to 191,541.78, 264,329.73 and 106,660.26 is: 147,192.31
Step by Step Solution
- Step 1: Write the proportion equation
191,541.78 : 264,329.73 = 106,660.26 : x - Step 2: Convert to fraction form
191,541.78/264,329.73 = 106,660.26/x - Step 3: Cross multiply
191,541.78x = 264,329.73 × 106,660.26 - Step 4: Simplify right side
191,541.78x = 28,193,477,727.53 - Step 5: Solve for x
x = 28,193,477,727.53/191,541.78 - Step 6: Final answer
x = 147,192.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.