Finding the Fourth Proportional to 372,252.96, 513,713.07 and 202,487.49
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Solution
The fourth proportional to 372,252.96, 513,713.07 and 202,487.49 is: 279,434.90
Step by Step Solution
- Step 1: Write the proportion equation
372,252.96 : 513,713.07 = 202,487.49 : x - Step 2: Convert to fraction form
372,252.96/513,713.07 = 202,487.49/x - Step 3: Cross multiply
372,252.96x = 513,713.07 × 202,487.49 - Step 4: Simplify right side
372,252.96x = 104,020,470,124.49 - Step 5: Solve for x
x = 104,020,470,124.49/372,252.96 - Step 6: Final answer
x = 279,434.90
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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.