Finding the Fourth Proportional to 453,089.70, 679,051.35 and 275,408.10
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Solution
The fourth proportional to 453,089.70, 679,051.35 and 275,408.10 is: 412,757.66
Step by Step Solution
- Step 1: Write the proportion equation
453,089.70 : 679,051.35 = 275,408.10 : x - Step 2: Convert to fraction form
453,089.70/679,051.35 = 275,408.10/x - Step 3: Cross multiply
453,089.70x = 679,051.35 × 275,408.10 - Step 4: Simplify right side
453,089.70x = 187,016,242,105.94 - Step 5: Solve for x
x = 187,016,242,105.94/453,089.70 - Step 6: Final answer
x = 412,757.66
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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.