Finding the Fourth Proportional to 372,026.28, 513,393.74 and 202,260.41
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Solution
The fourth proportional to 372,026.28, 513,393.74 and 202,260.41 is: 279,117.99
Step by Step Solution
- Step 1: Write the proportion equation
372,026.28 : 513,393.74 = 202,260.41 : x - Step 2: Convert to fraction form
372,026.28/513,393.74 = 202,260.41/x - Step 3: Cross multiply
372,026.28x = 513,393.74 × 202,260.41 - Step 4: Simplify right side
372,026.28x = 103,839,228,586.98 - Step 5: Solve for x
x = 103,839,228,586.98/372,026.28 - Step 6: Final answer
x = 279,117.99
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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.