Finding the Fourth Proportional to 161,542.80, 222,927.12 and 94,474.80
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Solution
The fourth proportional to 161,542.80, 222,927.12 and 94,474.80 is: 130,374.09
Step by Step Solution
- Step 1: Write the proportion equation
161,542.80 : 222,927.12 = 94,474.80 : x - Step 2: Convert to fraction form
161,542.80/222,927.12 = 94,474.80/x - Step 3: Cross multiply
161,542.80x = 222,927.12 × 94,474.80 - Step 4: Simplify right side
161,542.80x = 21,060,995,076.58 - Step 5: Solve for x
x = 21,060,995,076.58/161,542.80 - Step 6: Final answer
x = 130,374.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.