Finding the Fourth Proportional to 658,142.63, 987,213.94 and 159,506.63
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Solution
The fourth proportional to 658,142.63, 987,213.94 and 159,506.63 is: 239,259.94
Step by Step Solution
- Step 1: Write the proportion equation
658,142.63 : 987,213.94 = 159,506.63 : x - Step 2: Convert to fraction form
658,142.63/987,213.94 = 159,506.63/x - Step 3: Cross multiply
658,142.63x = 987,213.94 × 159,506.63 - Step 4: Simplify right side
658,142.63x = 157,467,163,323.59 - Step 5: Solve for x
x = 157,467,163,323.59/658,142.63 - Step 6: Final answer
x = 239,259.94
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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.