Finding the Fourth Proportional to 137,599.57, 206,418.48 and 48,831.99
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Solution
The fourth proportional to 137,599.57, 206,418.48 and 48,831.99 is: 73,254.77
Step by Step Solution
- Step 1: Write the proportion equation
137,599.57 : 206,418.48 = 48,831.99 : x - Step 2: Convert to fraction form
137,599.57/206,418.48 = 48,831.99/x - Step 3: Cross multiply
137,599.57x = 206,418.48 × 48,831.99 - Step 4: Simplify right side
137,599.57x = 10,079,825,151.18 - Step 5: Solve for x
x = 10,079,825,151.18/137,599.57 - Step 6: Final answer
x = 73,254.77
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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.