Finding the Fourth Proportional to 192,528.06, 288,518.28 and 91,218.12
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Solution
The fourth proportional to 192,528.06, 288,518.28 and 91,218.12 is: 136,697.45
Step by Step Solution
- Step 1: Write the proportion equation
192,528.06 : 288,518.28 = 91,218.12 : x - Step 2: Convert to fraction form
192,528.06/288,518.28 = 91,218.12/x - Step 3: Cross multiply
192,528.06x = 288,518.28 × 91,218.12 - Step 4: Simplify right side
192,528.06x = 26,318,095,087.23 - Step 5: Solve for x
x = 26,318,095,087.23/192,528.06 - Step 6: Final answer
x = 136,697.45
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1.5x scale
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.