Finding the Fourth Proportional to 453,261.96, 679,586.22 and 253,720.08
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Solution
The fourth proportional to 453,261.96, 679,586.22 and 253,720.08 is: 380,408.43
Step by Step Solution
- Step 1: Write the proportion equation
453,261.96 : 679,586.22 = 253,720.08 : x - Step 2: Convert to fraction form
453,261.96/679,586.22 = 253,720.08/x - Step 3: Cross multiply
453,261.96x = 679,586.22 × 253,720.08 - Step 4: Simplify right side
453,261.96x = 172,424,670,105.30 - Step 5: Solve for x
x = 172,424,670,105.30/453,261.96 - Step 6: Final answer
x = 380,408.43
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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.