Finding the Fourth Proportional to 227,740.75, 314,282.26 and 127,138.75
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Solution
The fourth proportional to 227,740.75, 314,282.26 and 127,138.75 is: 175,451.49
Step by Step Solution
- Step 1: Write the proportion equation
227,740.75 : 314,282.26 = 127,138.75 : x - Step 2: Convert to fraction form
227,740.75/314,282.26 = 127,138.75/x - Step 3: Cross multiply
227,740.75x = 314,282.26 × 127,138.75 - Step 4: Simplify right side
227,740.75x = 39,957,453,683.58 - Step 5: Solve for x
x = 39,957,453,683.58/227,740.75 - Step 6: Final answer
x = 175,451.49
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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.