Finding the Fourth Proportional to 214,883.66, 322,465.36 and 81,765.02
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Solution
The fourth proportional to 214,883.66, 322,465.36 and 81,765.02 is: 122,700.75
Step by Step Solution
- Step 1: Write the proportion equation
214,883.66 : 322,465.36 = 81,765.02 : x - Step 2: Convert to fraction form
214,883.66/322,465.36 = 81,765.02/x - Step 3: Cross multiply
214,883.66x = 322,465.36 × 81,765.02 - Step 4: Simplify right side
214,883.66x = 26,366,386,609.71 - Step 5: Solve for x
x = 26,366,386,609.71/214,883.66 - Step 6: Final answer
x = 122,700.75
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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.