Finding the Fourth Proportional to 193,635.36, 289,831.43 and 103,452.71
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Solution
The fourth proportional to 193,635.36, 289,831.43 and 103,452.71 is: 154,846.95
Step by Step Solution
- Step 1: Write the proportion equation
193,635.36 : 289,831.43 = 103,452.71 : x - Step 2: Convert to fraction form
193,635.36/289,831.43 = 103,452.71/x - Step 3: Cross multiply
193,635.36x = 289,831.43 × 103,452.71 - Step 4: Simplify right side
193,635.36x = 29,983,845,686.15 - Step 5: Solve for x
x = 29,983,845,686.15/193,635.36 - Step 6: Final answer
x = 154,846.95
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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.