Finding the Fourth Proportional to 222,298.80, 306,688.61 and 145,860.09
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Solution
The fourth proportional to 222,298.80, 306,688.61 and 145,860.09 is: 201,231.98
Step by Step Solution
- Step 1: Write the proportion equation
222,298.80 : 306,688.61 = 145,860.09 : x - Step 2: Convert to fraction form
222,298.80/306,688.61 = 145,860.09/x - Step 3: Cross multiply
222,298.80x = 306,688.61 × 145,860.09 - Step 4: Simplify right side
222,298.80x = 44,733,628,658.65 - Step 5: Solve for x
x = 44,733,628,658.65/222,298.80 - Step 6: Final answer
x = 201,231.98
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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.