Finding the Fourth Proportional to 477,361.17, 715,988.30 and 122,383.53
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Solution
The fourth proportional to 477,361.17, 715,988.30 and 122,383.53 is: 183,561.59
Step by Step Solution
- Step 1: Write the proportion equation
477,361.17 : 715,988.30 = 122,383.53 : x - Step 2: Convert to fraction form
477,361.17/715,988.30 = 122,383.53/x - Step 3: Cross multiply
477,361.17x = 715,988.30 × 122,383.53 - Step 4: Simplify right side
477,361.17x = 87,625,174,980.78 - Step 5: Solve for x
x = 87,625,174,980.78/477,361.17 - Step 6: Final answer
x = 183,561.59
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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.