Finding the Fourth Proportional to 351,387.18, 484,905.33 and 196,339.68
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Solution
The fourth proportional to 351,387.18, 484,905.33 and 196,339.68 is: 270,943.74
Step by Step Solution
- Step 1: Write the proportion equation
351,387.18 : 484,905.33 = 196,339.68 : x - Step 2: Convert to fraction form
351,387.18/484,905.33 = 196,339.68/x - Step 3: Cross multiply
351,387.18x = 484,905.33 × 196,339.68 - Step 4: Simplify right side
351,387.18x = 95,206,157,322.49 - Step 5: Solve for x
x = 95,206,157,322.49/351,387.18 - Step 6: Final answer
x = 270,943.74
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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.