Finding the Fourth Proportional to 403,772.58, 604,882.68 and 225,739.68
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Solution
The fourth proportional to 403,772.58, 604,882.68 and 225,739.68 is: 338,175.57
Step by Step Solution
- Step 1: Write the proportion equation
403,772.58 : 604,882.68 = 225,739.68 : x - Step 2: Convert to fraction form
403,772.58/604,882.68 = 225,739.68/x - Step 3: Cross multiply
403,772.58x = 604,882.68 × 225,739.68 - Step 4: Simplify right side
403,772.58x = 136,546,022,620.74 - Step 5: Solve for x
x = 136,546,022,620.74/403,772.58 - Step 6: Final answer
x = 338,175.57
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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.