Finding the Fourth Proportional to 194,661.70, 291,344.55 and 141,201.70
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Solution
The fourth proportional to 194,661.70, 291,344.55 and 141,201.70 is: 211,332.51
Step by Step Solution
- Step 1: Write the proportion equation
194,661.70 : 291,344.55 = 141,201.70 : x - Step 2: Convert to fraction form
194,661.70/291,344.55 = 141,201.70/x - Step 3: Cross multiply
194,661.70x = 291,344.55 × 141,201.70 - Step 4: Simplify right side
194,661.70x = 41,138,345,745.74 - Step 5: Solve for x
x = 41,138,345,745.74/194,661.70 - Step 6: Final answer
x = 211,332.51
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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.