Finding the Fourth Proportional to 286,573.59, 395,463.69 and 159,245.91
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Solution
The fourth proportional to 286,573.59, 395,463.69 and 159,245.91 is: 219,754.99
Step by Step Solution
- Step 1: Write the proportion equation
286,573.59 : 395,463.69 = 159,245.91 : x - Step 2: Convert to fraction form
286,573.59/395,463.69 = 159,245.91/x - Step 3: Cross multiply
286,573.59x = 395,463.69 × 159,245.91 - Step 4: Simplify right side
286,573.59x = 62,975,975,186.01 - Step 5: Solve for x
x = 62,975,975,186.01/286,573.59 - Step 6: Final answer
x = 219,754.99
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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.