Finding the Fourth Proportional to 790,899.42, 1,186,551.36 and 229,933.92
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Solution
The fourth proportional to 790,899.42, 1,186,551.36 and 229,933.92 is: 344,959.67
Step by Step Solution
- Step 1: Write the proportion equation
790,899.42 : 1,186,551.36 = 229,933.92 : x - Step 2: Convert to fraction form
790,899.42/1,186,551.36 = 229,933.92/x - Step 3: Cross multiply
790,899.42x = 1,186,551.36 × 229,933.92 - Step 4: Simplify right side
790,899.42x = 272,828,405,486.13 - Step 5: Solve for x
x = 272,828,405,486.13/790,899.42 - Step 6: Final answer
x = 344,959.67
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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.