Finding the Fourth Proportional to 282,879.56, 423,751.12 and 130,863.68
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Solution
The fourth proportional to 282,879.56, 423,751.12 and 130,863.68 is: 196,032.65
Step by Step Solution
- Step 1: Write the proportion equation
282,879.56 : 423,751.12 = 130,863.68 : x - Step 2: Convert to fraction form
282,879.56/423,751.12 = 130,863.68/x - Step 3: Cross multiply
282,879.56x = 423,751.12 × 130,863.68 - Step 4: Simplify right side
282,879.56x = 55,453,630,967.32 - Step 5: Solve for x
x = 55,453,630,967.32/282,879.56 - Step 6: Final answer
x = 196,032.65
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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.