Finding the Fourth Proportional to 685,554.12, 1,027,701.41 and 236,168.14
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Solution
The fourth proportional to 685,554.12, 1,027,701.41 and 236,168.14 is: 354,035.26
Step by Step Solution
- Step 1: Write the proportion equation
685,554.12 : 1,027,701.41 = 236,168.14 : x - Step 2: Convert to fraction form
685,554.12/1,027,701.41 = 236,168.14/x - Step 3: Cross multiply
685,554.12x = 1,027,701.41 × 236,168.14 - Step 4: Simplify right side
685,554.12x = 242,710,330,475.08 - Step 5: Solve for x
x = 242,710,330,475.08/685,554.12 - Step 6: Final answer
x = 354,035.26
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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.