Finding the Fourth Proportional to 338,379.48, 466,963.65 and 202,419.14
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Solution
The fourth proportional to 338,379.48, 466,963.65 and 202,419.14 is: 279,338.39
Step by Step Solution
- Step 1: Write the proportion equation
338,379.48 : 466,963.65 = 202,419.14 : x - Step 2: Convert to fraction form
338,379.48/466,963.65 = 202,419.14/x - Step 3: Cross multiply
338,379.48x = 466,963.65 × 202,419.14 - Step 4: Simplify right side
338,379.48x = 94,522,378,109.44 - Step 5: Solve for x
x = 94,522,378,109.44/338,379.48 - Step 6: Final answer
x = 279,338.39
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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.