Finding the Fourth Proportional to 409,387.81, 614,175.20 and 125,118.82
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Solution
The fourth proportional to 409,387.81, 614,175.20 and 125,118.82 is: 187,706.80
Step by Step Solution
- Step 1: Write the proportion equation
409,387.81 : 614,175.20 = 125,118.82 : x - Step 2: Convert to fraction form
409,387.81/614,175.20 = 125,118.82/x - Step 3: Cross multiply
409,387.81x = 614,175.20 × 125,118.82 - Step 4: Simplify right side
409,387.81x = 76,844,876,297.26 - Step 5: Solve for x
x = 76,844,876,297.26/409,387.81 - Step 6: Final answer
x = 187,706.80
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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.