Finding the Fourth Proportional to 405,943.74, 560,203.43 and 224,668.17
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Solution
The fourth proportional to 405,943.74, 560,203.43 and 224,668.17 is: 310,042.66
Step by Step Solution
- Step 1: Write the proportion equation
405,943.74 : 560,203.43 = 224,668.17 : x - Step 2: Convert to fraction form
405,943.74/560,203.43 = 224,668.17/x - Step 3: Cross multiply
405,943.74x = 560,203.43 × 224,668.17 - Step 4: Simplify right side
405,943.74x = 125,859,878,322.48 - Step 5: Solve for x
x = 125,859,878,322.48/405,943.74 - Step 6: Final answer
x = 310,042.66
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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.