Finding the Fourth Proportional to 125,221.23, 187,862.63 and 36,475.53
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Solution
The fourth proportional to 125,221.23, 187,862.63 and 36,475.53 is: 54,722.26
Step by Step Solution
- Step 1: Write the proportion equation
125,221.23 : 187,862.63 = 36,475.53 : x - Step 2: Convert to fraction form
125,221.23/187,862.63 = 36,475.53/x - Step 3: Cross multiply
125,221.23x = 187,862.63 × 36,475.53 - Step 4: Simplify right side
125,221.23x = 6,852,388,814.07 - Step 5: Solve for x
x = 6,852,388,814.07/125,221.23 - Step 6: Final answer
x = 54,722.26
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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.