Finding the Fourth Proportional to 557,593.88, 836,407.22 and 136,869.75
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Solution
The fourth proportional to 557,593.88, 836,407.22 and 136,869.75 is: 205,308.65
Step by Step Solution
- Step 1: Write the proportion equation
557,593.88 : 836,407.22 = 136,869.75 : x - Step 2: Convert to fraction form
557,593.88/836,407.22 = 136,869.75/x - Step 3: Cross multiply
557,593.88x = 836,407.22 × 136,869.75 - Step 4: Simplify right side
557,593.88x = 114,478,846,415.25 - Step 5: Solve for x
x = 114,478,846,415.25/557,593.88 - Step 6: Final answer
x = 205,308.65
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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.