Finding the Fourth Proportional to 556,451.09, 834,115.86 and 219,361.26
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Solution
The fourth proportional to 556,451.09, 834,115.86 and 219,361.26 is: 328,820.83
Step by Step Solution
- Step 1: Write the proportion equation
556,451.09 : 834,115.86 = 219,361.26 : x - Step 2: Convert to fraction form
556,451.09/834,115.86 = 219,361.26/x - Step 3: Cross multiply
556,451.09x = 834,115.86 × 219,361.26 - Step 4: Simplify right side
556,451.09x = 182,972,706,035.58 - Step 5: Solve for x
x = 182,972,706,035.58/556,451.09 - Step 6: Final answer
x = 328,820.83
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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.