Finding the Fourth Proportional to 374,284.94, 516,551.24 and 221,372.62
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Solution
The fourth proportional to 374,284.94, 516,551.24 and 221,372.62 is: 305,516.71
Step by Step Solution
- Step 1: Write the proportion equation
374,284.94 : 516,551.24 = 221,372.62 : x - Step 2: Convert to fraction form
374,284.94/516,551.24 = 221,372.62/x - Step 3: Cross multiply
374,284.94x = 516,551.24 × 221,372.62 - Step 4: Simplify right side
374,284.94x = 114,350,300,625.10 - Step 5: Solve for x
x = 114,350,300,625.10/374,284.94 - Step 6: Final answer
x = 305,516.71
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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.