Finding the Fourth Proportional to 206,977.84, 310,220.70 and 185,818.60
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Solution
The fourth proportional to 206,977.84, 310,220.70 and 185,818.60 is: 278,506.99
Step by Step Solution
- Step 1: Write the proportion equation
206,977.84 : 310,220.70 = 185,818.60 : x - Step 2: Convert to fraction form
206,977.84/310,220.70 = 185,818.60/x - Step 3: Cross multiply
206,977.84x = 310,220.70 × 185,818.60 - Step 4: Simplify right side
206,977.84x = 57,644,776,165.02 - Step 5: Solve for x
x = 57,644,776,165.02/206,977.84 - Step 6: Final answer
x = 278,506.99
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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.