Finding the Fourth Proportional to 407,638.69, 562,557.57 and 235,550.95
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Solution
The fourth proportional to 407,638.69, 562,557.57 and 235,550.95 is: 325,069.66
Step by Step Solution
- Step 1: Write the proportion equation
407,638.69 : 562,557.57 = 235,550.95 : x - Step 2: Convert to fraction form
407,638.69/562,557.57 = 235,550.95/x - Step 3: Cross multiply
407,638.69x = 562,557.57 × 235,550.95 - Step 4: Simplify right side
407,638.69x = 132,510,970,043.19 - Step 5: Solve for x
x = 132,510,970,043.19/407,638.69 - Step 6: Final answer
x = 325,069.66
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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.