Finding the Fourth Proportional to 703,238.96, 1,054,780.99 and 197,815.97
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Solution
The fourth proportional to 703,238.96, 1,054,780.99 and 197,815.97 is: 296,702.17
Step by Step Solution
- Step 1: Write the proportion equation
703,238.96 : 1,054,780.99 = 197,815.97 : x - Step 2: Convert to fraction form
703,238.96/1,054,780.99 = 197,815.97/x - Step 3: Cross multiply
703,238.96x = 1,054,780.99 × 197,815.97 - Step 4: Simplify right side
703,238.96x = 208,652,526,816.82 - Step 5: Solve for x
x = 208,652,526,816.82/703,238.96 - Step 6: Final answer
x = 296,702.17
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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.