Finding the Fourth Proportional to 495,442.64, 683,994.12 and 326,168.84
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Solution
The fourth proportional to 495,442.64, 683,994.12 and 326,168.84 is: 450,299.49
Step by Step Solution
- Step 1: Write the proportion equation
495,442.64 : 683,994.12 = 326,168.84 : x - Step 2: Convert to fraction form
495,442.64/683,994.12 = 326,168.84/x - Step 3: Cross multiply
495,442.64x = 683,994.12 × 326,168.84 - Step 4: Simplify right side
495,442.64x = 223,097,568,687.22 - Step 5: Solve for x
x = 223,097,568,687.22/495,442.64 - Step 6: Final answer
x = 450,299.49
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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.