Finding the Fourth Proportional to 192,618.80, 265,812.42 and 107,735.80
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Solution
The fourth proportional to 192,618.80, 265,812.42 and 107,735.80 is: 148,674.55
Step by Step Solution
- Step 1: Write the proportion equation
192,618.80 : 265,812.42 = 107,735.80 : x - Step 2: Convert to fraction form
192,618.80/265,812.42 = 107,735.80/x - Step 3: Cross multiply
192,618.80x = 265,812.42 × 107,735.80 - Step 4: Simplify right side
192,618.80x = 28,637,513,718.64 - Step 5: Solve for x
x = 28,637,513,718.64/192,618.80 - Step 6: Final answer
x = 148,674.55
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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.