Finding the Fourth Proportional to 484,921.26, 727,381.84 and 185,432.13
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Solution
The fourth proportional to 484,921.26, 727,381.84 and 185,432.13 is: 278,148.17
Step by Step Solution
- Step 1: Write the proportion equation
484,921.26 : 727,381.84 = 185,432.13 : x - Step 2: Convert to fraction form
484,921.26/727,381.84 = 185,432.13/x - Step 3: Cross multiply
484,921.26x = 727,381.84 × 185,432.13 - Step 4: Simplify right side
484,921.26x = 134,879,959,814.03 - Step 5: Solve for x
x = 134,879,959,814.03/484,921.26 - Step 6: Final answer
x = 278,148.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.