Finding the Fourth Proportional to 226,316.04, 312,186.21 and 141,285.48
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Solution
The fourth proportional to 226,316.04, 312,186.21 and 141,285.48 is: 194,892.85
Step by Step Solution
- Step 1: Write the proportion equation
226,316.04 : 312,186.21 = 141,285.48 : x - Step 2: Convert to fraction form
226,316.04/312,186.21 = 141,285.48/x - Step 3: Cross multiply
226,316.04x = 312,186.21 × 141,285.48 - Step 4: Simplify right side
226,316.04x = 44,107,378,529.23 - Step 5: Solve for x
x = 44,107,378,529.23/226,316.04 - Step 6: Final answer
x = 194,892.85
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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.