Finding the Fourth Proportional to 580,749.75, 871,157.43 and 206,772.75
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Solution
The fourth proportional to 580,749.75, 871,157.43 and 206,772.75 is: 310,170.81
Step by Step Solution
- Step 1: Write the proportion equation
580,749.75 : 871,157.43 = 206,772.75 : x - Step 2: Convert to fraction form
580,749.75/871,157.43 = 206,772.75/x - Step 3: Cross multiply
580,749.75x = 871,157.43 × 206,772.75 - Step 4: Simplify right side
580,749.75x = 180,131,617,484.03 - Step 5: Solve for x
x = 180,131,617,484.03/580,749.75 - Step 6: Final answer
x = 310,170.81
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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.