Finding the Fourth Proportional to 461,239.80, 691,859.70 and 367,927.80
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Solution
The fourth proportional to 461,239.80, 691,859.70 and 367,927.80 is: 551,891.70
Step by Step Solution
- Step 1: Write the proportion equation
461,239.80 : 691,859.70 = 367,927.80 : x - Step 2: Convert to fraction form
461,239.80/691,859.70 = 367,927.80/x - Step 3: Cross multiply
461,239.80x = 691,859.70 × 367,927.80 - Step 4: Simplify right side
461,239.80x = 254,554,417,329.66 - Step 5: Solve for x
x = 254,554,417,329.66/461,239.80 - Step 6: Final answer
x = 551,891.70
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1.5x scale
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.