Finding the Fourth Proportional to 372,036.41, 513,407.70 and 202,270.54
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Solution
The fourth proportional to 372,036.41, 513,407.70 and 202,270.54 is: 279,131.96
Step by Step Solution
- Step 1: Write the proportion equation
372,036.41 : 513,407.70 = 202,270.54 : x - Step 2: Convert to fraction form
372,036.41/513,407.70 = 202,270.54/x - Step 3: Cross multiply
372,036.41x = 513,407.70 × 202,270.54 - Step 4: Simplify right side
372,036.41x = 103,847,251,435.64 - Step 5: Solve for x
x = 103,847,251,435.64/372,036.41 - Step 6: Final answer
x = 279,131.96
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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.