Finding the Fourth Proportional to 372,182.88, 513,602.64 and 217,163.82
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Solution
The fourth proportional to 372,182.88, 513,602.64 and 217,163.82 is: 299,680.39
Step by Step Solution
- Step 1: Write the proportion equation
372,182.88 : 513,602.64 = 217,163.82 : x - Step 2: Convert to fraction form
372,182.88/513,602.64 = 217,163.82/x - Step 3: Cross multiply
372,182.88x = 513,602.64 × 217,163.82 - Step 4: Simplify right side
372,182.88x = 111,535,911,264.49 - Step 5: Solve for x
x = 111,535,911,264.49/372,182.88 - Step 6: Final answer
x = 299,680.39
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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.