Finding the Fourth Proportional to 376,393.97, 519,356.66 and 213,049.68
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Solution
The fourth proportional to 376,393.97, 519,356.66 and 213,049.68 is: 293,970.63
Step by Step Solution
- Step 1: Write the proportion equation
376,393.97 : 519,356.66 = 213,049.68 : x - Step 2: Convert to fraction form
376,393.97/519,356.66 = 213,049.68/x - Step 3: Cross multiply
376,393.97x = 519,356.66 × 213,049.68 - Step 4: Simplify right side
376,393.97x = 110,648,769,153.62 - Step 5: Solve for x
x = 110,648,769,153.62/376,393.97 - Step 6: Final answer
x = 293,970.63
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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.