Finding the Fourth Proportional to 159,792.42, 220,593.37 and 99,382.53
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Solution
The fourth proportional to 159,792.42, 220,593.37 and 99,382.53 is: 137,197.54
Step by Step Solution
- Step 1: Write the proportion equation
159,792.42 : 220,593.37 = 99,382.53 : x - Step 2: Convert to fraction form
159,792.42/220,593.37 = 99,382.53/x - Step 3: Cross multiply
159,792.42x = 220,593.37 × 99,382.53 - Step 4: Simplify right side
159,792.42x = 21,923,127,211.83 - Step 5: Solve for x
x = 21,923,127,211.83/159,792.42 - Step 6: Final answer
x = 137,197.54
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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.