Finding the Fourth Proportional to 374,506.74, 516,791.26 and 213,330.30
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Solution
The fourth proportional to 374,506.74, 516,791.26 and 213,330.30 is: 294,379.84
Step by Step Solution
- Step 1: Write the proportion equation
374,506.74 : 516,791.26 = 213,330.30 : x - Step 2: Convert to fraction form
374,506.74/516,791.26 = 213,330.30/x - Step 3: Cross multiply
374,506.74x = 516,791.26 × 213,330.30 - Step 4: Simplify right side
374,506.74x = 110,247,234,533.18 - Step 5: Solve for x
x = 110,247,234,533.18/374,506.74 - Step 6: Final answer
x = 294,379.84
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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.