Finding the Fourth Proportional to 372,035.88, 513,398.79 and 210,905.82
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Solution
The fourth proportional to 372,035.88, 513,398.79 and 210,905.82 is: 291,043.95
Step by Step Solution
- Step 1: Write the proportion equation
372,035.88 : 513,398.79 = 210,905.82 : x - Step 2: Convert to fraction form
372,035.88/513,398.79 = 210,905.82/x - Step 3: Cross multiply
372,035.88x = 513,398.79 × 210,905.82 - Step 4: Simplify right side
372,035.88x = 108,278,792,791.96 - Step 5: Solve for x
x = 108,278,792,791.96/372,035.88 - Step 6: Final answer
x = 291,043.95
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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.