Finding the Fourth Proportional to 206,678.44, 310,019.33 and 56,926.99
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Solution
The fourth proportional to 206,678.44, 310,019.33 and 56,926.99 is: 85,390.94
Step by Step Solution
- Step 1: Write the proportion equation
206,678.44 : 310,019.33 = 56,926.99 : x - Step 2: Convert to fraction form
206,678.44/310,019.33 = 56,926.99/x - Step 3: Cross multiply
206,678.44x = 310,019.33 × 56,926.99 - Step 4: Simplify right side
206,678.44x = 17,648,467,298.72 - Step 5: Solve for x
x = 17,648,467,298.72/206,678.44 - Step 6: Final answer
x = 85,390.94
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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.