Finding the Fourth Proportional to 406,436.76, 560,768.18 and 234,341.19
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Solution
The fourth proportional to 406,436.76, 560,768.18 and 234,341.19 is: 323,324.79
Step by Step Solution
- Step 1: Write the proportion equation
406,436.76 : 560,768.18 = 234,341.19 : x - Step 2: Convert to fraction form
406,436.76/560,768.18 = 234,341.19/x - Step 3: Cross multiply
406,436.76x = 560,768.18 × 234,341.19 - Step 4: Simplify right side
406,436.76x = 131,411,081,443.63 - Step 5: Solve for x
x = 131,411,081,443.63/406,436.76 - Step 6: Final answer
x = 323,324.79
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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.