Finding the Fourth Proportional to 453,749.13, 679,874.85 and 263,675.97
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Solution
The fourth proportional to 453,749.13, 679,874.85 and 263,675.97 is: 395,078.80
Step by Step Solution
- Step 1: Write the proportion equation
453,749.13 : 679,874.85 = 263,675.97 : x - Step 2: Convert to fraction form
453,749.13/679,874.85 = 263,675.97/x - Step 3: Cross multiply
453,749.13x = 679,874.85 × 263,675.97 - Step 4: Simplify right side
453,749.13x = 179,266,660,552.35 - Step 5: Solve for x
x = 179,266,660,552.35/453,749.13 - Step 6: Final answer
x = 395,078.80
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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.