Finding the Fourth Proportional to 218,186.42, 301,095.36 and 122,691.08
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Solution
The fourth proportional to 218,186.42, 301,095.36 and 122,691.08 is: 169,312.62
Step by Step Solution
- Step 1: Write the proportion equation
218,186.42 : 301,095.36 = 122,691.08 : x - Step 2: Convert to fraction form
218,186.42/301,095.36 = 122,691.08/x - Step 3: Cross multiply
218,186.42x = 301,095.36 × 122,691.08 - Step 4: Simplify right side
218,186.42x = 36,941,714,901.39 - Step 5: Solve for x
x = 36,941,714,901.39/218,186.42 - Step 6: Final answer
x = 169,312.62
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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.