Finding the Fourth Proportional to 322,634.67, 483,951.96 and 153,642.63
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Solution
The fourth proportional to 322,634.67, 483,951.96 and 153,642.63 is: 230,463.92
Step by Step Solution
- Step 1: Write the proportion equation
322,634.67 : 483,951.96 = 153,642.63 : x - Step 2: Convert to fraction form
322,634.67/483,951.96 = 153,642.63/x - Step 3: Cross multiply
322,634.67x = 483,951.96 × 153,642.63 - Step 4: Simplify right side
322,634.67x = 74,355,651,928.05 - Step 5: Solve for x
x = 74,355,651,928.05/322,634.67 - Step 6: Final answer
x = 230,463.92
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1.5x scale
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.