Finding the Fourth Proportional to 405,751.96, 559,954.20 and 224,460.77
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Solution
The fourth proportional to 405,751.96, 559,954.20 and 224,460.77 is: 309,764.99
Step by Step Solution
- Step 1: Write the proportion equation
405,751.96 : 559,954.20 = 224,460.77 : x - Step 2: Convert to fraction form
405,751.96/559,954.20 = 224,460.77/x - Step 3: Cross multiply
405,751.96x = 559,954.20 × 224,460.77 - Step 4: Simplify right side
405,751.96x = 125,687,750,896.73 - Step 5: Solve for x
x = 125,687,750,896.73/405,751.96 - Step 6: Final answer
x = 309,764.99
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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.