Finding the Fourth Proportional to 351,651.93, 485,279.07 and 190,511.07
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Solution
The fourth proportional to 351,651.93, 485,279.07 and 190,511.07 is: 262,904.96
Step by Step Solution
- Step 1: Write the proportion equation
351,651.93 : 485,279.07 = 190,511.07 : x - Step 2: Convert to fraction form
351,651.93/485,279.07 = 190,511.07/x - Step 3: Cross multiply
351,651.93x = 485,279.07 × 190,511.07 - Step 4: Simplify right side
351,651.93x = 92,451,034,874.30 - Step 5: Solve for x
x = 92,451,034,874.30/351,651.93 - Step 6: Final answer
x = 262,904.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.