Finding the Fourth Proportional to 372,362.13, 513,860.76 and 202,596.26
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Solution
The fourth proportional to 372,362.13, 513,860.76 and 202,596.26 is: 279,583.39
Step by Step Solution
- Step 1: Write the proportion equation
372,362.13 : 513,860.76 = 202,596.26 : x - Step 2: Convert to fraction form
372,362.13/513,860.76 = 202,596.26/x - Step 3: Cross multiply
372,362.13x = 513,860.76 × 202,596.26 - Step 4: Simplify right side
372,362.13x = 104,106,265,567.45 - Step 5: Solve for x
x = 104,106,265,567.45/372,362.13 - Step 6: Final answer
x = 279,583.39
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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.