Finding the Fourth Proportional to 302,855.58, 417,934.96 and 166,902.09
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Solution
The fourth proportional to 302,855.58, 417,934.96 and 166,902.09 is: 230,321.73
Step by Step Solution
- Step 1: Write the proportion equation
302,855.58 : 417,934.96 = 166,902.09 : x - Step 2: Convert to fraction form
302,855.58/417,934.96 = 166,902.09/x - Step 3: Cross multiply
302,855.58x = 417,934.96 × 166,902.09 - Step 4: Simplify right side
302,855.58x = 69,754,220,083.95 - Step 5: Solve for x
x = 69,754,220,083.95/302,855.58 - Step 6: Final answer
x = 230,321.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.