Finding the Fourth Proportional to 300,428.11, 414,636.33 and 171,365.95
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Solution
The fourth proportional to 300,428.11, 414,636.33 and 171,365.95 is: 236,510.99
Step by Step Solution
- Step 1: Write the proportion equation
300,428.11 : 414,636.33 = 171,365.95 : x - Step 2: Convert to fraction form
300,428.11/414,636.33 = 171,365.95/x - Step 3: Cross multiply
300,428.11x = 414,636.33 × 171,365.95 - Step 4: Simplify right side
300,428.11x = 71,054,548,594.96 - Step 5: Solve for x
x = 71,054,548,594.96/300,428.11 - Step 6: Final answer
x = 236,510.99
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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.