Finding the Fourth Proportional to 778,664.25, 1,167,988.95 and 246,185.19
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Solution
The fourth proportional to 778,664.25, 1,167,988.95 and 246,185.19 is: 369,275.44
Step by Step Solution
- Step 1: Write the proportion equation
778,664.25 : 1,167,988.95 = 246,185.19 : x - Step 2: Convert to fraction form
778,664.25/1,167,988.95 = 246,185.19/x - Step 3: Cross multiply
778,664.25x = 1,167,988.95 × 246,185.19 - Step 4: Simplify right side
778,664.25x = 287,541,581,573.65 - Step 5: Solve for x
x = 287,541,581,573.65/778,664.25 - Step 6: Final answer
x = 369,275.44
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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.