Finding the Fourth Proportional to 348,361.44, 521,655.84 and 229,672.68
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Solution
The fourth proportional to 348,361.44, 521,655.84 and 229,672.68 is: 343,924.67
Step by Step Solution
- Step 1: Write the proportion equation
348,361.44 : 521,655.84 = 229,672.68 : x - Step 2: Convert to fraction form
348,361.44/521,655.84 = 229,672.68/x - Step 3: Cross multiply
348,361.44x = 521,655.84 × 229,672.68 - Step 4: Simplify right side
348,361.44x = 119,810,094,810.45 - Step 5: Solve for x
x = 119,810,094,810.45/348,361.44 - Step 6: Final answer
x = 343,924.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.