Finding the Fourth Proportional to 228,445.70, 315,251.12 and 126,468.99
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Solution
The fourth proportional to 228,445.70, 315,251.12 and 126,468.99 is: 174,525.03
Step by Step Solution
- Step 1: Write the proportion equation
228,445.70 : 315,251.12 = 126,468.99 : x - Step 2: Convert to fraction form
228,445.70/315,251.12 = 126,468.99/x - Step 3: Cross multiply
228,445.70x = 315,251.12 × 126,468.99 - Step 4: Simplify right side
228,445.70x = 39,869,491,058.94 - Step 5: Solve for x
x = 39,869,491,058.94/228,445.70 - Step 6: Final answer
x = 174,525.03
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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.