Finding the Fourth Proportional to 251,708.96, 377,554.80 and 74,208.80
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Solution
The fourth proportional to 251,708.96, 377,554.80 and 74,208.80 is: 111,310.65
Step by Step Solution
- Step 1: Write the proportion equation
251,708.96 : 377,554.80 = 74,208.80 : x - Step 2: Convert to fraction form
251,708.96/377,554.80 = 74,208.80/x - Step 3: Cross multiply
251,708.96x = 377,554.80 × 74,208.80 - Step 4: Simplify right side
251,708.96x = 28,017,888,642.24 - Step 5: Solve for x
x = 28,017,888,642.24/251,708.96 - Step 6: Final answer
x = 111,310.65
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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.