Finding the Fourth Proportional to 351,102.09, 526,528.59 and 126,402.20
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Solution
The fourth proportional to 351,102.09, 526,528.59 and 126,402.20 is: 189,558.45
Step by Step Solution
- Step 1: Write the proportion equation
351,102.09 : 526,528.59 = 126,402.20 : x - Step 2: Convert to fraction form
351,102.09/526,528.59 = 126,402.20/x - Step 3: Cross multiply
351,102.09x = 526,528.59 × 126,402.20 - Step 4: Simplify right side
351,102.09x = 66,554,369,506.26 - Step 5: Solve for x
x = 66,554,369,506.26/351,102.09 - Step 6: Final answer
x = 189,558.45
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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.