Finding the Fourth Proportional to 411,193.47, 567,450.54 and 227,428.95
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Solution
The fourth proportional to 411,193.47, 567,450.54 and 227,428.95 is: 313,853.92
Step by Step Solution
- Step 1: Write the proportion equation
411,193.47 : 567,450.54 = 227,428.95 : x - Step 2: Convert to fraction form
411,193.47/567,450.54 = 227,428.95/x - Step 3: Cross multiply
411,193.47x = 567,450.54 × 227,428.95 - Step 4: Simplify right side
411,193.47x = 129,054,680,489.13 - Step 5: Solve for x
x = 129,054,680,489.13/411,193.47 - Step 6: Final answer
x = 313,853.92
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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.