Finding the Fourth Proportional to 319,134.24, 440,297.64 and 198,232.56
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Solution
The fourth proportional to 319,134.24, 440,297.64 and 198,232.56 is: 273,494.09
Step by Step Solution
- Step 1: Write the proportion equation
319,134.24 : 440,297.64 = 198,232.56 : x - Step 2: Convert to fraction form
319,134.24/440,297.64 = 198,232.56/x - Step 3: Cross multiply
319,134.24x = 440,297.64 × 198,232.56 - Step 4: Simplify right side
319,134.24x = 87,281,328,339.16 - Step 5: Solve for x
x = 87,281,328,339.16/319,134.24 - Step 6: Final answer
x = 273,494.09
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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.