Finding the Fourth Proportional to 647,781.98, 971,562.81 and 174,361.82
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Solution
The fourth proportional to 647,781.98, 971,562.81 and 174,361.82 is: 261,513.08
Step by Step Solution
- Step 1: Write the proportion equation
647,781.98 : 971,562.81 = 174,361.82 : x - Step 2: Convert to fraction form
647,781.98/971,562.81 = 174,361.82/x - Step 3: Cross multiply
647,781.98x = 971,562.81 × 174,361.82 - Step 4: Simplify right side
647,781.98x = 169,403,459,795.91 - Step 5: Solve for x
x = 169,403,459,795.91/647,781.98 - Step 6: Final answer
x = 261,513.08
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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.