Finding the Fourth Proportional to 438,658.94, 605,349.45 and 237,454.94
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Solution
The fourth proportional to 438,658.94, 605,349.45 and 237,454.94 is: 327,687.88
Step by Step Solution
- Step 1: Write the proportion equation
438,658.94 : 605,349.45 = 237,454.94 : x - Step 2: Convert to fraction form
438,658.94/605,349.45 = 237,454.94/x - Step 3: Cross multiply
438,658.94x = 605,349.45 × 237,454.94 - Step 4: Simplify right side
438,658.94x = 143,743,218,842.16 - Step 5: Solve for x
x = 143,743,218,842.16/438,658.94 - Step 6: Final answer
x = 327,687.88
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1.5x scale
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.