Finding the Fourth Proportional to 424,276.74, 636,480.63 and 264,230.19
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Solution
The fourth proportional to 424,276.74, 636,480.63 and 264,230.19 is: 396,386.09
Step by Step Solution
- Step 1: Write the proportion equation
424,276.74 : 636,480.63 = 264,230.19 : x - Step 2: Convert to fraction form
424,276.74/636,480.63 = 264,230.19/x - Step 3: Cross multiply
424,276.74x = 636,480.63 × 264,230.19 - Step 4: Simplify right side
424,276.74x = 168,177,397,796.22 - Step 5: Solve for x
x = 168,177,397,796.22/424,276.74 - Step 6: Final answer
x = 396,386.09
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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.