Finding the Fourth Proportional to 186,655.09, 279,784.58 and 91,751.44
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Solution
The fourth proportional to 186,655.09, 279,784.58 and 91,751.44 is: 137,529.80
Step by Step Solution
- Step 1: Write the proportion equation
186,655.09 : 279,784.58 = 91,751.44 : x - Step 2: Convert to fraction form
186,655.09/279,784.58 = 91,751.44/x - Step 3: Cross multiply
186,655.09x = 279,784.58 × 91,751.44 - Step 4: Simplify right side
186,655.09x = 25,670,637,646.04 - Step 5: Solve for x
x = 25,670,637,646.04/186,655.09 - Step 6: Final answer
x = 137,529.80
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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.