Finding the Fourth Proportional to 415,964.88, 574,029.84 and 234,676.80
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Solution
The fourth proportional to 415,964.88, 574,029.84 and 234,676.80 is: 323,853.03
Step by Step Solution
- Step 1: Write the proportion equation
415,964.88 : 574,029.84 = 234,676.80 : x - Step 2: Convert to fraction form
415,964.88/574,029.84 = 234,676.80/x - Step 3: Cross multiply
415,964.88x = 574,029.84 × 234,676.80 - Step 4: Simplify right side
415,964.88x = 134,711,485,955.71 - Step 5: Solve for x
x = 134,711,485,955.71/415,964.88 - Step 6: Final answer
x = 323,853.03
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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.