Finding the Fourth Proportional to 647,519.70, 970,725.74 and 248,446.88
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Solution
The fourth proportional to 647,519.70, 970,725.74 and 248,446.88 is: 372,457.82
Step by Step Solution
- Step 1: Write the proportion equation
647,519.70 : 970,725.74 = 248,446.88 : x - Step 2: Convert to fraction form
647,519.70/970,725.74 = 248,446.88/x - Step 3: Cross multiply
647,519.70x = 970,725.74 × 248,446.88 - Step 4: Simplify right side
647,519.70x = 241,173,775,342.83 - Step 5: Solve for x
x = 241,173,775,342.83/647,519.70 - Step 6: Final answer
x = 372,457.82
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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.