Finding the Fourth Proportional to 296,614.39, 408,999.86 and 189,013.99
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Solution
The fourth proportional to 296,614.39, 408,999.86 and 189,013.99 is: 260,630.29
Step by Step Solution
- Step 1: Write the proportion equation
296,614.39 : 408,999.86 = 189,013.99 : x - Step 2: Convert to fraction form
296,614.39/408,999.86 = 189,013.99/x - Step 3: Cross multiply
296,614.39x = 408,999.86 × 189,013.99 - Step 4: Simplify right side
296,614.39x = 77,306,693,403.04 - Step 5: Solve for x
x = 77,306,693,403.04/296,614.39 - Step 6: Final answer
x = 260,630.29
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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.