Finding the Fourth Proportional to 372,352.68, 513,859.50 and 202,593.24
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Solution
The fourth proportional to 372,352.68, 513,859.50 and 202,593.24 is: 279,585.64
Step by Step Solution
- Step 1: Write the proportion equation
372,352.68 : 513,859.50 = 202,593.24 : x - Step 2: Convert to fraction form
372,352.68/513,859.50 = 202,593.24/x - Step 3: Cross multiply
372,352.68x = 513,859.50 × 202,593.24 - Step 4: Simplify right side
372,352.68x = 104,104,461,009.78 - Step 5: Solve for x
x = 104,104,461,009.78/372,352.68 - Step 6: Final answer
x = 279,585.64
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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.