Finding the Fourth Proportional to 354,466.97, 531,783.66 and 217,842.35
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Solution
The fourth proportional to 354,466.97, 531,783.66 and 217,842.35 is: 326,814.66
Step by Step Solution
- Step 1: Write the proportion equation
354,466.97 : 531,783.66 = 217,842.35 : x - Step 2: Convert to fraction form
354,466.97/531,783.66 = 217,842.35/x - Step 3: Cross multiply
354,466.97x = 531,783.66 × 217,842.35 - Step 4: Simplify right side
354,466.97x = 115,844,999,527.08 - Step 5: Solve for x
x = 115,844,999,527.08/354,466.97 - Step 6: Final answer
x = 326,814.66
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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.