Finding the Fourth Proportional to 286,661.91, 395,583.36 and 157,599.45
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Solution
The fourth proportional to 286,661.91, 395,583.36 and 157,599.45 is: 217,481.70
Step by Step Solution
- Step 1: Write the proportion equation
286,661.91 : 395,583.36 = 157,599.45 : x - Step 2: Convert to fraction form
286,661.91/395,583.36 = 157,599.45/x - Step 3: Cross multiply
286,661.91x = 395,583.36 × 157,599.45 - Step 4: Simplify right side
286,661.91x = 62,343,719,965.15 - Step 5: Solve for x
x = 62,343,719,965.15/286,661.91 - Step 6: Final answer
x = 217,481.70
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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.