Finding the Fourth Proportional to 112,455.19, 168,680.09 and 36,553.63
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Solution
The fourth proportional to 112,455.19, 168,680.09 and 36,553.63 is: 54,829.57
Step by Step Solution
- Step 1: Write the proportion equation
112,455.19 : 168,680.09 = 36,553.63 : x - Step 2: Convert to fraction form
112,455.19/168,680.09 = 36,553.63/x - Step 3: Cross multiply
112,455.19x = 168,680.09 × 36,553.63 - Step 4: Simplify right side
112,455.19x = 6,165,869,598.23 - Step 5: Solve for x
x = 6,165,869,598.23/112,455.19 - Step 6: Final answer
x = 54,829.57
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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.