Finding the Fourth Proportional to 132,824.19, 183,297.53 and 72,394.88
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Solution
The fourth proportional to 132,824.19, 183,297.53 and 72,394.88 is: 99,905.02
Step by Step Solution
- Step 1: Write the proportion equation
132,824.19 : 183,297.53 = 72,394.88 : x - Step 2: Convert to fraction form
132,824.19/183,297.53 = 72,394.88/x - Step 3: Cross multiply
132,824.19x = 183,297.53 × 72,394.88 - Step 4: Simplify right side
132,824.19x = 13,269,802,784.92 - Step 5: Solve for x
x = 13,269,802,784.92/132,824.19 - Step 6: Final answer
x = 99,905.02
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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.