Finding the Fourth Proportional to 286,390.49, 395,174.99 and 165,508.46
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Solution
The fourth proportional to 286,390.49, 395,174.99 and 165,508.46 is: 228,376.30
Step by Step Solution
- Step 1: Write the proportion equation
286,390.49 : 395,174.99 = 165,508.46 : x - Step 2: Convert to fraction form
286,390.49/395,174.99 = 165,508.46/x - Step 3: Cross multiply
286,390.49x = 395,174.99 × 165,508.46 - Step 4: Simplify right side
286,390.49x = 65,404,802,463.31 - Step 5: Solve for x
x = 65,404,802,463.31/286,390.49 - Step 6: Final answer
x = 228,376.30
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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.