Finding the Fourth Proportional to 655,577.79, 983,518.80 and 206,286.97
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Solution
The fourth proportional to 655,577.79, 983,518.80 and 206,286.97 is: 309,478.32
Step by Step Solution
- Step 1: Write the proportion equation
655,577.79 : 983,518.80 = 206,286.97 : x - Step 2: Convert to fraction form
655,577.79/983,518.80 = 206,286.97/x - Step 3: Cross multiply
655,577.79x = 983,518.80 × 206,286.97 - Step 4: Simplify right side
655,577.79x = 202,887,113,190.04 - Step 5: Solve for x
x = 202,887,113,190.04/655,577.79 - Step 6: Final answer
x = 309,478.32
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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.