Finding the Fourth Proportional to 351,108.68, 484,529.79 and 198,178.95
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Solution
The fourth proportional to 351,108.68, 484,529.79 and 198,178.95 is: 273,486.86
Step by Step Solution
- Step 1: Write the proportion equation
351,108.68 : 484,529.79 = 198,178.95 : x - Step 2: Convert to fraction form
351,108.68/484,529.79 = 198,178.95/x - Step 3: Cross multiply
351,108.68x = 484,529.79 × 198,178.95 - Step 4: Simplify right side
351,108.68x = 96,023,607,586.08 - Step 5: Solve for x
x = 96,023,607,586.08/351,108.68 - Step 6: Final answer
x = 273,486.86
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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.