Finding the Fourth Proportional to 322,739.88, 445,381.02 and 177,547.68
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Solution
The fourth proportional to 322,739.88, 445,381.02 and 177,547.68 is: 245,015.79
Step by Step Solution
- Step 1: Write the proportion equation
322,739.88 : 445,381.02 = 177,547.68 : x - Step 2: Convert to fraction form
322,739.88/445,381.02 = 177,547.68/x - Step 3: Cross multiply
322,739.88x = 445,381.02 × 177,547.68 - Step 4: Simplify right side
322,739.88x = 79,076,366,817.03 - Step 5: Solve for x
x = 79,076,366,817.03/322,739.88 - Step 6: Final answer
x = 245,015.79
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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.