Finding the Fourth Proportional to 395,690.96, 546,286.92 and 259,962.08
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Solution
The fourth proportional to 395,690.96, 546,286.92 and 259,962.08 is: 358,901.01
Step by Step Solution
- Step 1: Write the proportion equation
395,690.96 : 546,286.92 = 259,962.08 : x - Step 2: Convert to fraction form
395,690.96/546,286.92 = 259,962.08/x - Step 3: Cross multiply
395,690.96x = 546,286.92 × 259,962.08 - Step 4: Simplify right side
395,690.96x = 142,013,883,999.99 - Step 5: Solve for x
x = 142,013,883,999.99/395,690.96 - Step 6: Final answer
x = 358,901.01
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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.