Finding the Fourth Proportional to 290,083.14, 400,332.38 and 193,119.66
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Solution
The fourth proportional to 290,083.14, 400,332.38 and 193,119.66 is: 266,516.88
Step by Step Solution
- Step 1: Write the proportion equation
290,083.14 : 400,332.38 = 193,119.66 : x - Step 2: Convert to fraction form
290,083.14/400,332.38 = 193,119.66/x - Step 3: Cross multiply
290,083.14x = 400,332.38 × 193,119.66 - Step 4: Simplify right side
290,083.14x = 77,312,052,146.99 - Step 5: Solve for x
x = 77,312,052,146.99/290,083.14 - Step 6: Final answer
x = 266,516.88
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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.