Finding the Fourth Proportional to 153,213.09, 229,819.63 and 48,040.53
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Solution
The fourth proportional to 153,213.09, 229,819.63 and 48,040.53 is: 72,060.79
Step by Step Solution
- Step 1: Write the proportion equation
153,213.09 : 229,819.63 = 48,040.53 : x - Step 2: Convert to fraction form
153,213.09/229,819.63 = 48,040.53/x - Step 3: Cross multiply
153,213.09x = 229,819.63 × 48,040.53 - Step 4: Simplify right side
153,213.09x = 11,040,656,829.60 - Step 5: Solve for x
x = 11,040,656,829.60/153,213.09 - Step 6: Final answer
x = 72,060.79
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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.