Finding the Fourth Proportional to 445,283.52, 615,080.16 and 331,909.44
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Solution
The fourth proportional to 445,283.52, 615,080.16 and 331,909.44 is: 458,473.99
Step by Step Solution
- Step 1: Write the proportion equation
445,283.52 : 615,080.16 = 331,909.44 : x - Step 2: Convert to fraction form
445,283.52/615,080.16 = 331,909.44/x - Step 3: Cross multiply
445,283.52x = 615,080.16 × 331,909.44 - Step 4: Simplify right side
445,283.52x = 204,150,911,460.71 - Step 5: Solve for x
x = 204,150,911,460.71/445,283.52 - Step 6: Final answer
x = 458,473.99
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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.