Finding the Fourth Proportional to 157,212.60, 216,919.68 and 93,537.96
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Solution
The fourth proportional to 157,212.60, 216,919.68 and 93,537.96 is: 129,062.33
Step by Step Solution
- Step 1: Write the proportion equation
157,212.60 : 216,919.68 = 93,537.96 : x - Step 2: Convert to fraction form
157,212.60/216,919.68 = 93,537.96/x - Step 3: Cross multiply
157,212.60x = 216,919.68 × 93,537.96 - Step 4: Simplify right side
157,212.60x = 20,290,224,351.05 - Step 5: Solve for x
x = 20,290,224,351.05/157,212.60 - Step 6: Final answer
x = 129,062.33
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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.