Finding the Fourth Proportional to 453,952.70, 680,929.05 and 276,805.70
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Solution
The fourth proportional to 453,952.70, 680,929.05 and 276,805.70 is: 415,208.55
Step by Step Solution
- Step 1: Write the proportion equation
453,952.70 : 680,929.05 = 276,805.70 : x - Step 2: Convert to fraction form
453,952.70/680,929.05 = 276,805.70/x - Step 3: Cross multiply
453,952.70x = 680,929.05 × 276,805.70 - Step 4: Simplify right side
453,952.70x = 188,485,042,335.59 - Step 5: Solve for x
x = 188,485,042,335.59/453,952.70 - Step 6: Final answer
x = 415,208.55
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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.