Finding the Fourth Proportional to 436,405.80, 602,322.84 and 273,138.12
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Solution
The fourth proportional to 436,405.80, 602,322.84 and 273,138.12 is: 376,982.45
Step by Step Solution
- Step 1: Write the proportion equation
436,405.80 : 602,322.84 = 273,138.12 : x - Step 2: Convert to fraction form
436,405.80/602,322.84 = 273,138.12/x - Step 3: Cross multiply
436,405.80x = 602,322.84 × 273,138.12 - Step 4: Simplify right side
436,405.80x = 164,517,328,150.66 - Step 5: Solve for x
x = 164,517,328,150.66/436,405.80 - Step 6: Final answer
x = 376,982.45
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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.