Finding the Fourth Proportional to 157,528.86, 217,394.14 and 96,284.96
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Solution
The fourth proportional to 157,528.86, 217,394.14 and 96,284.96 is: 132,875.88
Step by Step Solution
- Step 1: Write the proportion equation
157,528.86 : 217,394.14 = 96,284.96 : x - Step 2: Convert to fraction form
157,528.86/217,394.14 = 96,284.96/x - Step 3: Cross multiply
157,528.86x = 217,394.14 × 96,284.96 - Step 4: Simplify right side
157,528.86x = 20,931,786,074.13 - Step 5: Solve for x
x = 20,931,786,074.13/157,528.86 - Step 6: Final answer
x = 132,875.88
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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.