Finding the Fourth Proportional to 418,688.30, 577,919.94 and 332,799.68
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Solution
The fourth proportional to 418,688.30, 577,919.94 and 332,799.68 is: 459,366.96
Step by Step Solution
- Step 1: Write the proportion equation
418,688.30 : 577,919.94 = 332,799.68 : x - Step 2: Convert to fraction form
418,688.30/577,919.94 = 332,799.68/x - Step 3: Cross multiply
418,688.30x = 577,919.94 × 332,799.68 - Step 4: Simplify right side
418,688.30x = 192,331,571,097.62 - Step 5: Solve for x
x = 192,331,571,097.62/418,688.30 - Step 6: Final answer
x = 459,366.96
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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.