Finding the Fourth Proportional to 125,297.74, 187,926.60 and 36,530.49
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Solution
The fourth proportional to 125,297.74, 187,926.60 and 36,530.49 is: 54,789.90
Step by Step Solution
- Step 1: Write the proportion equation
125,297.74 : 187,926.60 = 36,530.49 : x - Step 2: Convert to fraction form
125,297.74/187,926.60 = 36,530.49/x - Step 3: Cross multiply
125,297.74x = 187,926.60 × 36,530.49 - Step 4: Simplify right side
125,297.74x = 6,865,050,782.03 - Step 5: Solve for x
x = 6,865,050,782.03/125,297.74 - Step 6: Final answer
x = 54,789.90
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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.