Finding the Fourth Proportional to 124,697.21, 187,079.09 and 44,743.23
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Solution
The fourth proportional to 124,697.21, 187,079.09 and 44,743.23 is: 67,126.79
Step by Step Solution
- Step 1: Write the proportion equation
124,697.21 : 187,079.09 = 44,743.23 : x - Step 2: Convert to fraction form
124,697.21/187,079.09 = 44,743.23/x - Step 3: Cross multiply
124,697.21x = 187,079.09 × 44,743.23 - Step 4: Simplify right side
124,697.21x = 8,370,522,528.34 - Step 5: Solve for x
x = 8,370,522,528.34/124,697.21 - Step 6: Final answer
x = 67,126.79
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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.