Finding the Fourth Proportional to 102,519.12, 153,725.04 and 46,310.88
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Solution
The fourth proportional to 102,519.12, 153,725.04 and 46,310.88 is: 69,442.09
Step by Step Solution
- Step 1: Write the proportion equation
102,519.12 : 153,725.04 = 46,310.88 : x - Step 2: Convert to fraction form
102,519.12/153,725.04 = 46,310.88/x - Step 3: Cross multiply
102,519.12x = 153,725.04 × 46,310.88 - Step 4: Simplify right side
102,519.12x = 7,119,141,880.44 - Step 5: Solve for x
x = 7,119,141,880.44/102,519.12 - Step 6: Final answer
x = 69,442.09
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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.