Finding the Fourth Proportional to 192,160.96, 265,252.89 and 115,683.62
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Solution
The fourth proportional to 192,160.96, 265,252.89 and 115,683.62 is: 159,685.99
Step by Step Solution
- Step 1: Write the proportion equation
192,160.96 : 265,252.89 = 115,683.62 : x - Step 2: Convert to fraction form
192,160.96/265,252.89 = 115,683.62/x - Step 3: Cross multiply
192,160.96x = 265,252.89 × 115,683.62 - Step 4: Simplify right side
192,160.96x = 30,685,413,638.21 - Step 5: Solve for x
x = 30,685,413,638.21/192,160.96 - Step 6: Final answer
x = 159,685.99
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1.5x scale
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.