Finding the Fourth Proportional to 372,619.73, 514,217.18 and 202,855.07
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Solution
The fourth proportional to 372,619.73, 514,217.18 and 202,855.07 is: 279,941.06
Step by Step Solution
- Step 1: Write the proportion equation
372,619.73 : 514,217.18 = 202,855.07 : x - Step 2: Convert to fraction form
372,619.73/514,217.18 = 202,855.07/x - Step 3: Cross multiply
372,619.73x = 514,217.18 × 202,855.07 - Step 4: Simplify right side
372,619.73x = 104,311,561,029.83 - Step 5: Solve for x
x = 104,311,561,029.83/372,619.73 - Step 6: Final answer
x = 279,941.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.