Finding the Fourth Proportional to 166,803.80, 230,188.26 and 90,322.12
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Solution
The fourth proportional to 166,803.80, 230,188.26 and 90,322.12 is: 124,643.99
Step by Step Solution
- Step 1: Write the proportion equation
166,803.80 : 230,188.26 = 90,322.12 : x - Step 2: Convert to fraction form
166,803.80/230,188.26 = 90,322.12/x - Step 3: Cross multiply
166,803.80x = 230,188.26 × 90,322.12 - Step 4: Simplify right side
166,803.80x = 20,791,091,642.31 - Step 5: Solve for x
x = 20,791,091,642.31/166,803.80 - Step 6: Final answer
x = 124,643.99
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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.