Finding the Fourth Proportional to 341,403.48, 471,358.71 and 305,531.82
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Solution
The fourth proportional to 341,403.48, 471,358.71 and 305,531.82 is: 421,832.50
Step by Step Solution
- Step 1: Write the proportion equation
341,403.48 : 471,358.71 = 305,531.82 : x - Step 2: Convert to fraction form
341,403.48/471,358.71 = 305,531.82/x - Step 3: Cross multiply
341,403.48x = 471,358.71 × 305,531.82 - Step 4: Simplify right side
341,403.48x = 144,015,084,539.15 - Step 5: Solve for x
x = 144,015,084,539.15/341,403.48 - Step 6: Final answer
x = 421,832.50
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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.