Finding the Fourth Proportional to 757,623.86, 1,136,408.09 and 225,131.05
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Solution
The fourth proportional to 757,623.86, 1,136,408.09 and 225,131.05 is: 337,688.34
Step by Step Solution
- Step 1: Write the proportion equation
757,623.86 : 1,136,408.09 = 225,131.05 : x - Step 2: Convert to fraction form
757,623.86/1,136,408.09 = 225,131.05/x - Step 3: Cross multiply
757,623.86x = 1,136,408.09 × 225,131.05 - Step 4: Simplify right side
757,623.86x = 255,840,740,848.15 - Step 5: Solve for x
x = 255,840,740,848.15/757,623.86 - Step 6: Final answer
x = 337,688.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.