Finding the Fourth Proportional to 347,892.16, 480,383.75 and 261,701.75
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Solution
The fourth proportional to 347,892.16, 480,383.75 and 261,701.75 is: 361,368.49
Step by Step Solution
- Step 1: Write the proportion equation
347,892.16 : 480,383.75 = 261,701.75 : x - Step 2: Convert to fraction form
347,892.16/480,383.75 = 261,701.75/x - Step 3: Cross multiply
347,892.16x = 480,383.75 × 261,701.75 - Step 4: Simplify right side
347,892.16x = 125,717,264,336.14 - Step 5: Solve for x
x = 125,717,264,336.14/347,892.16 - Step 6: Final answer
x = 361,368.49
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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.