Finding the Fourth Proportional to 141,862.31, 212,785.27 and 51,965.68
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Solution
The fourth proportional to 141,862.31, 212,785.27 and 51,965.68 is: 77,945.52
Step by Step Solution
- Step 1: Write the proportion equation
141,862.31 : 212,785.27 = 51,965.68 : x - Step 2: Convert to fraction form
141,862.31/212,785.27 = 51,965.68/x - Step 3: Cross multiply
141,862.31x = 212,785.27 × 51,965.68 - Step 4: Simplify right side
141,862.31x = 11,057,531,249.53 - Step 5: Solve for x
x = 11,057,531,249.53/141,862.31 - Step 6: Final answer
x = 77,945.52
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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.