Finding the Fourth Proportional to 228,481.71, 315,308.66 and 125,124.99
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Solution
The fourth proportional to 228,481.71, 315,308.66 and 125,124.99 is: 172,674.62
Step by Step Solution
- Step 1: Write the proportion equation
228,481.71 : 315,308.66 = 125,124.99 : x - Step 2: Convert to fraction form
228,481.71/315,308.66 = 125,124.99/x - Step 3: Cross multiply
228,481.71x = 315,308.66 × 125,124.99 - Step 4: Simplify right side
228,481.71x = 39,452,992,929.41 - Step 5: Solve for x
x = 39,452,992,929.41/228,481.71 - Step 6: Final answer
x = 172,674.62
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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.