Finding the Fourth Proportional to 372,189.62, 513,620.24 and 202,426.58
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Solution
The fourth proportional to 372,189.62, 513,620.24 and 202,426.58 is: 279,347.90
Step by Step Solution
- Step 1: Write the proportion equation
372,189.62 : 513,620.24 = 202,426.58 : x - Step 2: Convert to fraction form
372,189.62/513,620.24 = 202,426.58/x - Step 3: Cross multiply
372,189.62x = 513,620.24 × 202,426.58 - Step 4: Simplify right side
372,189.62x = 103,970,388,601.98 - Step 5: Solve for x
x = 103,970,388,601.98/372,189.62 - Step 6: Final answer
x = 279,347.90
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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.