Finding the Fourth Proportional to 608,931.40, 913,599.94 and 204,163.66
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Solution
The fourth proportional to 608,931.40, 913,599.94 and 204,163.66 is: 306,313.50
Step by Step Solution
- Step 1: Write the proportion equation
608,931.40 : 913,599.94 = 204,163.66 : x - Step 2: Convert to fraction form
608,931.40/913,599.94 = 204,163.66/x - Step 3: Cross multiply
608,931.40x = 913,599.94 × 204,163.66 - Step 4: Simplify right side
608,931.40x = 186,523,907,526.18 - Step 5: Solve for x
x = 186,523,907,526.18/608,931.40 - Step 6: Final answer
x = 306,313.50
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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.