Finding the Fourth Proportional to 227,035.12, 312,981.14 and 158,840.82
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Solution
The fourth proportional to 227,035.12, 312,981.14 and 158,840.82 is: 218,971.32
Step by Step Solution
- Step 1: Write the proportion equation
227,035.12 : 312,981.14 = 158,840.82 : x - Step 2: Convert to fraction form
227,035.12/312,981.14 = 158,840.82/x - Step 3: Cross multiply
227,035.12x = 312,981.14 × 158,840.82 - Step 4: Simplify right side
227,035.12x = 49,714,180,922.13 - Step 5: Solve for x
x = 49,714,180,922.13/227,035.12 - Step 6: Final answer
x = 218,971.32
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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.