Finding the Fourth Proportional to 228,710.70, 315,620.91 and 125,344.44
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Solution
The fourth proportional to 228,710.70, 315,620.91 and 125,344.44 is: 172,975.41
Step by Step Solution
- Step 1: Write the proportion equation
228,710.70 : 315,620.91 = 125,344.44 : x - Step 2: Convert to fraction form
228,710.70/315,620.91 = 125,344.44/x - Step 3: Cross multiply
228,710.70x = 315,620.91 × 125,344.44 - Step 4: Simplify right side
228,710.70x = 39,561,326,216.24 - Step 5: Solve for x
x = 39,561,326,216.24/228,710.70 - Step 6: Final answer
x = 172,975.41
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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.