Finding the Fourth Proportional to 304,373.35, 420,047.58 and 168,405.09
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Solution
The fourth proportional to 304,373.35, 420,047.58 and 168,405.09 is: 232,405.86
Step by Step Solution
- Step 1: Write the proportion equation
304,373.35 : 420,047.58 = 168,405.09 : x - Step 2: Convert to fraction form
304,373.35/420,047.58 = 168,405.09/x - Step 3: Cross multiply
304,373.35x = 420,047.58 × 168,405.09 - Step 4: Simplify right side
304,373.35x = 70,738,150,514.18 - Step 5: Solve for x
x = 70,738,150,514.18/304,373.35 - Step 6: Final answer
x = 232,405.86
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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.