Finding the Fourth Proportional to 685,190.48, 1,027,530.36 and 235,785.68
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Solution
The fourth proportional to 685,190.48, 1,027,530.36 and 235,785.68 is: 353,590.65
Step by Step Solution
- Step 1: Write the proportion equation
685,190.48 : 1,027,530.36 = 235,785.68 : x - Step 2: Convert to fraction form
685,190.48/1,027,530.36 = 235,785.68/x - Step 3: Cross multiply
685,190.48x = 1,027,530.36 × 235,785.68 - Step 4: Simplify right side
685,190.48x = 242,276,944,653.25 - Step 5: Solve for x
x = 242,276,944,653.25/685,190.48 - Step 6: Final answer
x = 353,590.65
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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.