Finding the Fourth Proportional to 372,027.28, 513,395.12 and 202,261.41
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Solution
The fourth proportional to 372,027.28, 513,395.12 and 202,261.41 is: 279,119.37
Step by Step Solution
- Step 1: Write the proportion equation
372,027.28 : 513,395.12 = 202,261.41 : x - Step 2: Convert to fraction form
372,027.28/513,395.12 = 202,261.41/x - Step 3: Cross multiply
372,027.28x = 513,395.12 × 202,261.41 - Step 4: Simplify right side
372,027.28x = 103,840,020,858.32 - Step 5: Solve for x
x = 103,840,020,858.32/372,027.28 - Step 6: Final answer
x = 279,119.37
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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.