Finding the Fourth Proportional to 207,083.24, 310,657.74 and 66,809.06
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Solution
The fourth proportional to 207,083.24, 310,657.74 and 66,809.06 is: 100,224.20
Step by Step Solution
- Step 1: Write the proportion equation
207,083.24 : 310,657.74 = 66,809.06 : x - Step 2: Convert to fraction form
207,083.24/310,657.74 = 66,809.06/x - Step 3: Cross multiply
207,083.24x = 310,657.74 × 66,809.06 - Step 4: Simplify right side
207,083.24x = 20,754,752,117.23 - Step 5: Solve for x
x = 20,754,752,117.23/207,083.24 - Step 6: Final answer
x = 100,224.20
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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.