Finding the Fourth Proportional to 659,495.97, 988,579.35 and 259,982.10
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Solution
The fourth proportional to 659,495.97, 988,579.35 and 259,982.10 is: 389,711.15
Step by Step Solution
- Step 1: Write the proportion equation
659,495.97 : 988,579.35 = 259,982.10 : x - Step 2: Convert to fraction form
659,495.97/988,579.35 = 259,982.10/x - Step 3: Cross multiply
659,495.97x = 988,579.35 × 259,982.10 - Step 4: Simplify right side
659,495.97x = 257,012,935,429.64 - Step 5: Solve for x
x = 257,012,935,429.64/659,495.97 - Step 6: Final answer
x = 389,711.15
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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.