Finding the Fourth Proportional to 192,125.19, 288,181.64 and 86,944.16
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Solution
The fourth proportional to 192,125.19, 288,181.64 and 86,944.16 is: 130,413.45
Step by Step Solution
- Step 1: Write the proportion equation
192,125.19 : 288,181.64 = 86,944.16 : x - Step 2: Convert to fraction form
192,125.19/288,181.64 = 86,944.16/x - Step 3: Cross multiply
192,125.19x = 288,181.64 × 86,944.16 - Step 4: Simplify right side
192,125.19x = 25,055,708,741.59 - Step 5: Solve for x
x = 25,055,708,741.59/192,125.19 - Step 6: Final answer
x = 130,413.45
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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.