Finding the Fourth Proportional to 483,639.68, 667,423.20 and 268,799.84
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Solution
The fourth proportional to 483,639.68, 667,423.20 and 268,799.84 is: 370,944.02
Step by Step Solution
- Step 1: Write the proportion equation
483,639.68 : 667,423.20 = 268,799.84 : x - Step 2: Convert to fraction form
483,639.68/667,423.20 = 268,799.84/x - Step 3: Cross multiply
483,639.68x = 667,423.20 × 268,799.84 - Step 4: Simplify right side
483,639.68x = 179,403,249,372.29 - Step 5: Solve for x
x = 179,403,249,372.29/483,639.68 - Step 6: Final answer
x = 370,944.02
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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.