Finding the Fourth Proportional to 369,809.19, 554,382.09 and 132,986.25
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Solution
The fourth proportional to 369,809.19, 554,382.09 and 132,986.25 is: 199,360.09
Step by Step Solution
- Step 1: Write the proportion equation
369,809.19 : 554,382.09 = 132,986.25 : x - Step 2: Convert to fraction form
369,809.19/554,382.09 = 132,986.25/x - Step 3: Cross multiply
369,809.19x = 554,382.09 × 132,986.25 - Step 4: Simplify right side
369,809.19x = 73,725,195,216.26 - Step 5: Solve for x
x = 73,725,195,216.26/369,809.19 - Step 6: Final answer
x = 199,360.09
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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.