Finding the Fourth Proportional to 305,121.26, 457,575.68 and 125,154.86
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Solution
The fourth proportional to 305,121.26, 457,575.68 and 125,154.86 is: 187,688.72
Step by Step Solution
- Step 1: Write the proportion equation
305,121.26 : 457,575.68 = 125,154.86 : x - Step 2: Convert to fraction form
305,121.26/457,575.68 = 125,154.86/x - Step 3: Cross multiply
305,121.26x = 457,575.68 × 125,154.86 - Step 4: Simplify right side
305,121.26x = 57,267,818,194.81 - Step 5: Solve for x
x = 57,267,818,194.81/305,121.26 - Step 6: Final answer
x = 187,688.72
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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.