Finding the Fourth Proportional to 157,224.80, 235,651.44 and 155,470.88
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Solution
The fourth proportional to 157,224.80, 235,651.44 and 155,470.88 is: 233,022.63
Step by Step Solution
- Step 1: Write the proportion equation
157,224.80 : 235,651.44 = 155,470.88 : x - Step 2: Convert to fraction form
157,224.80/235,651.44 = 155,470.88/x - Step 3: Cross multiply
157,224.80x = 235,651.44 × 155,470.88 - Step 4: Simplify right side
157,224.80x = 36,636,936,750.07 - Step 5: Solve for x
x = 36,636,936,750.07/157,224.80 - Step 6: Final answer
x = 233,022.63
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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.