Finding the Fourth Proportional to 286,484.14, 395,324.97 and 165,633.21
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Solution
The fourth proportional to 286,484.14, 395,324.97 and 165,633.21 is: 228,560.45
Step by Step Solution
- Step 1: Write the proportion equation
286,484.14 : 395,324.97 = 165,633.21 : x - Step 2: Convert to fraction form
286,484.14/395,324.97 = 165,633.21/x - Step 3: Cross multiply
286,484.14x = 395,324.97 × 165,633.21 - Step 4: Simplify right side
286,484.14x = 65,478,945,196.67 - Step 5: Solve for x
x = 65,478,945,196.67/286,484.14 - Step 6: Final answer
x = 228,560.45
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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.