Finding the Fourth Proportional to 190,689.21, 286,035.53 and 48,534.63
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Solution
The fourth proportional to 190,689.21, 286,035.53 and 48,534.63 is: 72,802.39
Step by Step Solution
- Step 1: Write the proportion equation
190,689.21 : 286,035.53 = 48,534.63 : x - Step 2: Convert to fraction form
190,689.21/286,035.53 = 48,534.63/x - Step 3: Cross multiply
190,689.21x = 286,035.53 × 48,534.63 - Step 4: Simplify right side
190,689.21x = 13,882,629,889.78 - Step 5: Solve for x
x = 13,882,629,889.78/190,689.21 - Step 6: Final answer
x = 72,802.39
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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.