Finding the Fourth Proportional to 112,817.44, 169,240.68 and 37,905.28
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Solution
The fourth proportional to 112,817.44, 169,240.68 and 37,905.28 is: 56,862.80
Step by Step Solution
- Step 1: Write the proportion equation
112,817.44 : 169,240.68 = 37,905.28 : x - Step 2: Convert to fraction form
112,817.44/169,240.68 = 37,905.28/x - Step 3: Cross multiply
112,817.44x = 169,240.68 × 37,905.28 - Step 4: Simplify right side
112,817.44x = 6,415,115,362.79 - Step 5: Solve for x
x = 6,415,115,362.79/112,817.44 - Step 6: Final answer
x = 56,862.80
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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.