Finding the Fourth Proportional to 146,827.36, 202,683.84 and 99,145.44
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Solution
The fourth proportional to 146,827.36, 202,683.84 and 99,145.44 is: 136,862.63
Step by Step Solution
- Step 1: Write the proportion equation
146,827.36 : 202,683.84 = 99,145.44 : x - Step 2: Convert to fraction form
146,827.36/202,683.84 = 99,145.44/x - Step 3: Cross multiply
146,827.36x = 202,683.84 × 99,145.44 - Step 4: Simplify right side
146,827.36x = 20,095,178,497.69 - Step 5: Solve for x
x = 20,095,178,497.69/146,827.36 - Step 6: Final answer
x = 136,862.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.