Finding the Fourth Proportional to 83,194.14, 114,805.35 and 47,389.26
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Solution
The fourth proportional to 83,194.14, 114,805.35 and 47,389.26 is: 65,395.72
Step by Step Solution
- Step 1: Write the proportion equation
83,194.14 : 114,805.35 = 47,389.26 : x - Step 2: Convert to fraction form
83,194.14/114,805.35 = 47,389.26/x - Step 3: Cross multiply
83,194.14x = 114,805.35 × 47,389.26 - Step 4: Simplify right side
83,194.14x = 5,440,540,580.54 - Step 5: Solve for x
x = 5,440,540,580.54/83,194.14 - Step 6: Final answer
x = 65,395.72
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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.