Finding the Fourth Proportional to 354,489.17, 531,670.62 and 141,239.21
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Solution
The fourth proportional to 354,489.17, 531,670.62 and 141,239.21 is: 211,833.66
Step by Step Solution
- Step 1: Write the proportion equation
354,489.17 : 531,670.62 = 141,239.21 : x - Step 2: Convert to fraction form
354,489.17/531,670.62 = 141,239.21/x - Step 3: Cross multiply
354,489.17x = 531,670.62 × 141,239.21 - Step 4: Simplify right side
354,489.17x = 75,092,738,349.01 - Step 5: Solve for x
x = 75,092,738,349.01/354,489.17 - Step 6: Final answer
x = 211,833.66
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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.