Finding the Fourth Proportional to 159,608.74, 239,467.80 and 54,501.52
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Solution
The fourth proportional to 159,608.74, 239,467.80 and 54,501.52 is: 81,770.95
Step by Step Solution
- Step 1: Write the proportion equation
159,608.74 : 239,467.80 = 54,501.52 : x - Step 2: Convert to fraction form
159,608.74/239,467.80 = 54,501.52/x - Step 3: Cross multiply
159,608.74x = 239,467.80 × 54,501.52 - Step 4: Simplify right side
159,608.74x = 13,051,359,091.06 - Step 5: Solve for x
x = 13,051,359,091.06/159,608.74 - Step 6: Final answer
x = 81,770.95
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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.