Finding the Fourth Proportional to 351,256.05, 484,613.91 and 198,276.21
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Solution
The fourth proportional to 351,256.05, 484,613.91 and 198,276.21 is: 273,553.75
Step by Step Solution
- Step 1: Write the proportion equation
351,256.05 : 484,613.91 = 198,276.21 : x - Step 2: Convert to fraction form
351,256.05/484,613.91 = 198,276.21/x - Step 3: Cross multiply
351,256.05x = 484,613.91 × 198,276.21 - Step 4: Simplify right side
351,256.05x = 96,087,409,388.08 - Step 5: Solve for x
x = 96,087,409,388.08/351,256.05 - Step 6: Final answer
x = 273,553.75
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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.