Finding the Fourth Proportional to 395,304.20, 545,297.09 and 250,064.99
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Solution
The fourth proportional to 395,304.20, 545,297.09 and 250,064.99 is: 344,948.80
Step by Step Solution
- Step 1: Write the proportion equation
395,304.20 : 545,297.09 = 250,064.99 : x - Step 2: Convert to fraction form
395,304.20/545,297.09 = 250,064.99/x - Step 3: Cross multiply
395,304.20x = 545,297.09 × 250,064.99 - Step 4: Simplify right side
395,304.20x = 136,359,707,381.07 - Step 5: Solve for x
x = 136,359,707,381.07/395,304.20 - Step 6: Final answer
x = 344,948.80
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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.