Finding the Fourth Proportional to 405,297.06, 559,338.90 and 224,005.09
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Solution
The fourth proportional to 405,297.06, 559,338.90 and 224,005.09 is: 309,143.03
Step by Step Solution
- Step 1: Write the proportion equation
405,297.06 : 559,338.90 = 224,005.09 : x - Step 2: Convert to fraction form
405,297.06/559,338.90 = 224,005.09/x - Step 3: Cross multiply
405,297.06x = 559,338.90 × 224,005.09 - Step 4: Simplify right side
405,297.06x = 125,294,760,635.00 - Step 5: Solve for x
x = 125,294,760,635.00/405,297.06 - Step 6: Final answer
x = 309,143.03
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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.