Finding the Fourth Proportional to 266,599.36, 367,906.21 and 145,740.61
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Solution
The fourth proportional to 266,599.36, 367,906.21 and 145,740.61 is: 201,121.55
Step by Step Solution
- Step 1: Write the proportion equation
266,599.36 : 367,906.21 = 145,740.61 : x - Step 2: Convert to fraction form
266,599.36/367,906.21 = 145,740.61/x - Step 3: Cross multiply
266,599.36x = 367,906.21 × 145,740.61 - Step 4: Simplify right side
266,599.36x = 53,618,875,468.19 - Step 5: Solve for x
x = 53,618,875,468.19/266,599.36 - Step 6: Final answer
x = 201,121.55
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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.