Finding the Fourth Proportional to 426,743.88, 588,923.49 and 245,455.62
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Solution
The fourth proportional to 426,743.88, 588,923.49 and 245,455.62 is: 338,738.50
Step by Step Solution
- Step 1: Write the proportion equation
426,743.88 : 588,923.49 = 245,455.62 : x - Step 2: Convert to fraction form
426,743.88/588,923.49 = 245,455.62/x - Step 3: Cross multiply
426,743.88x = 588,923.49 × 245,455.62 - Step 4: Simplify right side
426,743.88x = 144,554,580,370.51 - Step 5: Solve for x
x = 144,554,580,370.51/426,743.88 - Step 6: Final answer
x = 338,738.50
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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.