Finding the Fourth Proportional to 658,193.63, 987,290.44 and 159,557.63
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Solution
The fourth proportional to 658,193.63, 987,290.44 and 159,557.63 is: 239,336.44
Step by Step Solution
- Step 1: Write the proportion equation
658,193.63 : 987,290.44 = 159,557.63 : x - Step 2: Convert to fraction form
658,193.63/987,290.44 = 159,557.63/x - Step 3: Cross multiply
658,193.63x = 987,290.44 × 159,557.63 - Step 4: Simplify right side
658,193.63x = 157,529,717,392.71 - Step 5: Solve for x
x = 157,529,717,392.71/658,193.63 - Step 6: Final answer
x = 239,336.44
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Similar ratio
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1.5x scale
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.