Finding the Fourth Proportional to 372,582.25, 514,163.57 and 202,817.65
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Solution
The fourth proportional to 372,582.25, 514,163.57 and 202,817.65 is: 279,888.39
Step by Step Solution
- Step 1: Write the proportion equation
372,582.25 : 514,163.57 = 202,817.65 : x - Step 2: Convert to fraction form
372,582.25/514,163.57 = 202,817.65/x - Step 3: Cross multiply
372,582.25x = 514,163.57 × 202,817.65 - Step 4: Simplify right side
372,582.25x = 104,281,445,968.92 - Step 5: Solve for x
x = 104,281,445,968.92/372,582.25 - Step 6: Final answer
x = 279,888.39
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1.5x scale
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.