Finding the Fourth Proportional to 405,923.56, 560,175.61 and 224,647.99
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Solution
The fourth proportional to 405,923.56, 560,175.61 and 224,647.99 is: 310,014.83
Step by Step Solution
- Step 1: Write the proportion equation
405,923.56 : 560,175.61 = 224,647.99 : x - Step 2: Convert to fraction form
405,923.56/560,175.61 = 224,647.99/x - Step 3: Cross multiply
405,923.56x = 560,175.61 × 224,647.99 - Step 4: Simplify right side
405,923.56x = 125,842,326,022.45 - Step 5: Solve for x
x = 125,842,326,022.45/405,923.56 - Step 6: Final answer
x = 310,014.83
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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.