Finding the Fourth Proportional to 372,420.26, 513,935.62 and 202,651.46
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Solution
The fourth proportional to 372,420.26, 513,935.62 and 202,651.46 is: 279,656.65
Step by Step Solution
- Step 1: Write the proportion equation
372,420.26 : 513,935.62 = 202,651.46 : x - Step 2: Convert to fraction form
372,420.26/513,935.62 = 202,651.46/x - Step 3: Cross multiply
372,420.26x = 513,935.62 × 202,651.46 - Step 4: Simplify right side
372,420.26x = 104,149,803,739.01 - Step 5: Solve for x
x = 104,149,803,739.01/372,420.26 - Step 6: Final answer
x = 279,656.65
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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.