Finding the Fourth Proportional to 408,901.02, 613,613.97 and 198,424.14
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Solution
The fourth proportional to 408,901.02, 613,613.97 and 198,424.14 is: 297,763.56
Step by Step Solution
- Step 1: Write the proportion equation
408,901.02 : 613,613.97 = 198,424.14 : x - Step 2: Convert to fraction form
408,901.02/613,613.97 = 198,424.14/x - Step 3: Cross multiply
408,901.02x = 613,613.97 × 198,424.14 - Step 4: Simplify right side
408,901.02x = 121,755,824,289.24 - Step 5: Solve for x
x = 121,755,824,289.24/408,901.02 - Step 6: Final answer
x = 297,763.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.