Finding the Fourth Proportional to 412,959.24, 619,020.60 and 279,852.96
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Solution
The fourth proportional to 412,959.24, 619,020.60 and 279,852.96 is: 419,495.99
Step by Step Solution
- Step 1: Write the proportion equation
412,959.24 : 619,020.60 = 279,852.96 : x - Step 2: Convert to fraction form
412,959.24/619,020.60 = 279,852.96/x - Step 3: Cross multiply
412,959.24x = 619,020.60 × 279,852.96 - Step 4: Simplify right side
412,959.24x = 173,234,747,210.98 - Step 5: Solve for x
x = 173,234,747,210.98/412,959.24 - Step 6: Final answer
x = 419,495.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.