Finding the Fourth Proportional to 372,507.75, 514,060.71 and 202,743.09
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Solution
The fourth proportional to 372,507.75, 514,060.71 and 202,743.09 is: 279,785.47
Step by Step Solution
- Step 1: Write the proportion equation
372,507.75 : 514,060.71 = 202,743.09 : x - Step 2: Convert to fraction form
372,507.75/514,060.71 = 202,743.09/x - Step 3: Cross multiply
372,507.75x = 514,060.71 × 202,743.09 - Step 4: Simplify right side
372,507.75x = 104,222,256,792.99 - Step 5: Solve for x
x = 104,222,256,792.99/372,507.75 - Step 6: Final answer
x = 279,785.47
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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.