Finding the Fourth Proportional to 407,968.94, 611,808.58 and 119,700.12
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Solution
The fourth proportional to 407,968.94, 611,808.58 and 119,700.12 is: 179,507.69
Step by Step Solution
- Step 1: Write the proportion equation
407,968.94 : 611,808.58 = 119,700.12 : x - Step 2: Convert to fraction form
407,968.94/611,808.58 = 119,700.12/x - Step 3: Cross multiply
407,968.94x = 611,808.58 × 119,700.12 - Step 4: Simplify right side
407,968.94x = 73,233,560,443.03 - Step 5: Solve for x
x = 73,233,560,443.03/407,968.94 - Step 6: Final answer
x = 179,507.69
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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.