Finding the Fourth Proportional to 372,026.85, 513,394.52 and 202,260.97
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Solution
The fourth proportional to 372,026.85, 513,394.52 and 202,260.97 is: 279,118.77
Step by Step Solution
- Step 1: Write the proportion equation
372,026.85 : 513,394.52 = 202,260.97 : x - Step 2: Convert to fraction form
372,026.85/513,394.52 = 202,260.97/x - Step 3: Cross multiply
372,026.85x = 513,394.52 × 202,260.97 - Step 4: Simplify right side
372,026.85x = 103,839,674,376.04 - Step 5: Solve for x
x = 103,839,674,376.04/372,026.85 - Step 6: Final answer
x = 279,118.77
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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.