Finding the Fourth Proportional to 351,314.63, 526,649.04 and 126,620.08
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Solution
The fourth proportional to 351,314.63, 526,649.04 and 126,620.08 is: 189,813.73
Step by Step Solution
- Step 1: Write the proportion equation
351,314.63 : 526,649.04 = 126,620.08 : x - Step 2: Convert to fraction form
351,314.63/526,649.04 = 126,620.08/x - Step 3: Cross multiply
351,314.63x = 526,649.04 × 126,620.08 - Step 4: Simplify right side
351,314.63x = 66,684,342,260.10 - Step 5: Solve for x
x = 66,684,342,260.10/351,314.63 - Step 6: Final answer
x = 189,813.73
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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.