Finding the Fourth Proportional to 372,417.75, 513,932.18 and 202,648.95
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Solution
The fourth proportional to 372,417.75, 513,932.18 and 202,648.95 is: 279,653.20
Step by Step Solution
- Step 1: Write the proportion equation
372,417.75 : 513,932.18 = 202,648.95 : x - Step 2: Convert to fraction form
372,417.75/513,932.18 = 202,648.95/x - Step 3: Cross multiply
372,417.75x = 513,932.18 × 202,648.95 - Step 4: Simplify right side
372,417.75x = 104,147,815,634.97 - Step 5: Solve for x
x = 104,147,815,634.97/372,417.75 - Step 6: Final answer
x = 279,653.20
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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.