Finding the Fourth Proportional to 374,286.44, 516,553.32 and 221,374.12
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Solution
The fourth proportional to 374,286.44, 516,553.32 and 221,374.12 is: 305,518.78
Step by Step Solution
- Step 1: Write the proportion equation
374,286.44 : 516,553.32 = 221,374.12 : x - Step 2: Convert to fraction form
374,286.44/516,553.32 = 221,374.12/x - Step 3: Cross multiply
374,286.44x = 516,553.32 × 221,374.12 - Step 4: Simplify right side
374,286.44x = 114,351,536,648.08 - Step 5: Solve for x
x = 114,351,536,648.08/374,286.44 - Step 6: Final answer
x = 305,518.78
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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.