Finding the Fourth Proportional to 226,108.52, 312,084.79 and 135,518.12
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Solution
The fourth proportional to 226,108.52, 312,084.79 and 135,518.12 is: 187,047.99
Step by Step Solution
- Step 1: Write the proportion equation
226,108.52 : 312,084.79 = 135,518.12 : x - Step 2: Convert to fraction form
226,108.52/312,084.79 = 135,518.12/x - Step 3: Cross multiply
226,108.52x = 312,084.79 × 135,518.12 - Step 4: Simplify right side
226,108.52x = 42,293,142,122.18 - Step 5: Solve for x
x = 42,293,142,122.18/226,108.52 - Step 6: Final answer
x = 187,047.99
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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.