Finding the Fourth Proportional to 453,176.20, 679,764.30 and 276,029.20
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Solution
The fourth proportional to 453,176.20, 679,764.30 and 276,029.20 is: 414,043.80
Step by Step Solution
- Step 1: Write the proportion equation
453,176.20 : 679,764.30 = 276,029.20 : x - Step 2: Convert to fraction form
453,176.20/679,764.30 = 276,029.20/x - Step 3: Cross multiply
453,176.20x = 679,764.30 × 276,029.20 - Step 4: Simplify right side
453,176.20x = 187,634,795,917.56 - Step 5: Solve for x
x = 187,634,795,917.56/453,176.20 - Step 6: Final answer
x = 414,043.80
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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.