Finding the Fourth Proportional to 97,387.68, 146,103.36 and 30,831.68
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Solution
The fourth proportional to 97,387.68, 146,103.36 and 30,831.68 is: 46,254.43
Step by Step Solution
- Step 1: Write the proportion equation
97,387.68 : 146,103.36 = 30,831.68 : x - Step 2: Convert to fraction form
97,387.68/146,103.36 = 30,831.68/x - Step 3: Cross multiply
97,387.68x = 146,103.36 × 30,831.68 - Step 4: Simplify right side
97,387.68x = 4,504,612,042.44 - Step 5: Solve for x
x = 4,504,612,042.44/97,387.68 - Step 6: Final answer
x = 46,254.43
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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.