Finding the Fourth Proportional to 228,774.83, 315,728.15 and 126,832.26
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Solution
The fourth proportional to 228,774.83, 315,728.15 and 126,832.26 is: 175,038.99
Step by Step Solution
- Step 1: Write the proportion equation
228,774.83 : 315,728.15 = 126,832.26 : x - Step 2: Convert to fraction form
228,774.83/315,728.15 = 126,832.26/x - Step 3: Cross multiply
228,774.83x = 315,728.15 × 126,832.26 - Step 4: Simplify right side
228,774.83x = 40,044,515,359.94 - Step 5: Solve for x
x = 40,044,515,359.94/228,774.83 - Step 6: Final answer
x = 175,038.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.