Finding the Fourth Proportional to 157,289.75, 235,701.33 and 115,532.63
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Solution
The fourth proportional to 157,289.75, 235,701.33 and 115,532.63 is: 173,127.58
Step by Step Solution
- Step 1: Write the proportion equation
157,289.75 : 235,701.33 = 115,532.63 : x - Step 2: Convert to fraction form
157,289.75/235,701.33 = 115,532.63/x - Step 3: Cross multiply
157,289.75x = 235,701.33 × 115,532.63 - Step 4: Simplify right side
157,289.75x = 27,231,193,370.89 - Step 5: Solve for x
x = 27,231,193,370.89/157,289.75 - Step 6: Final answer
x = 173,127.58
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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.