Finding the Fourth Proportional to 487,074.46, 672,170.36 and 272,228.44
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Solution
The fourth proportional to 487,074.46, 672,170.36 and 272,228.44 is: 375,679.50
Step by Step Solution
- Step 1: Write the proportion equation
487,074.46 : 672,170.36 = 272,228.44 : x - Step 2: Convert to fraction form
487,074.46/672,170.36 = 272,228.44/x - Step 3: Cross multiply
487,074.46x = 672,170.36 × 272,228.44 - Step 4: Simplify right side
487,074.46x = 182,983,888,517.04 - Step 5: Solve for x
x = 182,983,888,517.04/487,074.46 - Step 6: Final answer
x = 375,679.50
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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.