Finding the Fourth Proportional to 206,881.19, 310,101.26 and 117,943.19
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Solution
The fourth proportional to 206,881.19, 310,101.26 and 117,943.19 is: 176,789.06
Step by Step Solution
- Step 1: Write the proportion equation
206,881.19 : 310,101.26 = 117,943.19 : x - Step 2: Convert to fraction form
206,881.19/310,101.26 = 117,943.19/x - Step 3: Cross multiply
206,881.19x = 310,101.26 × 117,943.19 - Step 4: Simplify right side
206,881.19x = 36,574,329,687.20 - Step 5: Solve for x
x = 36,574,329,687.20/206,881.19 - Step 6: Final answer
x = 176,789.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.