Finding the Fourth Proportional to 426,169.26, 639,357.99 and 141,859.26
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Solution
The fourth proportional to 426,169.26, 639,357.99 and 141,859.26 is: 212,823.54
Step by Step Solution
- Step 1: Write the proportion equation
426,169.26 : 639,357.99 = 141,859.26 : x - Step 2: Convert to fraction form
426,169.26/639,357.99 = 141,859.26/x - Step 3: Cross multiply
426,169.26x = 639,357.99 × 141,859.26 - Step 4: Simplify right side
426,169.26x = 90,698,851,336.49 - Step 5: Solve for x
x = 90,698,851,336.49/426,169.26 - Step 6: Final answer
x = 212,823.54
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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.