Finding the Fourth Proportional to 814,545.62, 1,221,977.64 and 245,973.00
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Solution
The fourth proportional to 814,545.62, 1,221,977.64 and 245,973.00 is: 369,007.58
Step by Step Solution
- Step 1: Write the proportion equation
814,545.62 : 1,221,977.64 = 245,973.00 : x - Step 2: Convert to fraction form
814,545.62/1,221,977.64 = 245,973.00/x - Step 3: Cross multiply
814,545.62x = 1,221,977.64 × 245,973.00 - Step 4: Simplify right side
814,545.62x = 300,573,511,548.54 - Step 5: Solve for x
x = 300,573,511,548.54/814,545.62 - Step 6: Final answer
x = 369,007.58
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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.