Finding the Fourth Proportional to 157,132.51, 235,699.81 and 44,812.44
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Solution
The fourth proportional to 157,132.51, 235,699.81 and 44,812.44 is: 67,218.96
Step by Step Solution
- Step 1: Write the proportion equation
157,132.51 : 235,699.81 = 44,812.44 : x - Step 2: Convert to fraction form
157,132.51/235,699.81 = 44,812.44/x - Step 3: Cross multiply
157,132.51x = 235,699.81 × 44,812.44 - Step 4: Simplify right side
157,132.51x = 10,562,283,481.61 - Step 5: Solve for x
x = 10,562,283,481.61/157,132.51 - Step 6: Final answer
x = 67,218.96
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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.