Finding the Fourth Proportional to 194,232.64, 291,621.55 and 99,530.87
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Solution
The fourth proportional to 194,232.64, 291,621.55 and 99,530.87 is: 149,435.99
Step by Step Solution
- Step 1: Write the proportion equation
194,232.64 : 291,621.55 = 99,530.87 : x - Step 2: Convert to fraction form
194,232.64/291,621.55 = 99,530.87/x - Step 3: Cross multiply
194,232.64x = 291,621.55 × 99,530.87 - Step 4: Simplify right side
194,232.64x = 29,025,346,582.25 - Step 5: Solve for x
x = 29,025,346,582.25/194,232.64 - Step 6: Final answer
x = 149,435.99
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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.