Finding the Fourth Proportional to 398,675.29, 598,027.05 and 99,157.44
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Solution
The fourth proportional to 398,675.29, 598,027.05 and 99,157.44 is: 148,739.67
Step by Step Solution
- Step 1: Write the proportion equation
398,675.29 : 598,027.05 = 99,157.44 : x - Step 2: Convert to fraction form
398,675.29/598,027.05 = 99,157.44/x - Step 3: Cross multiply
398,675.29x = 598,027.05 × 99,157.44 - Step 4: Simplify right side
398,675.29x = 59,298,831,328.75 - Step 5: Solve for x
x = 59,298,831,328.75/398,675.29 - Step 6: Final answer
x = 148,739.67
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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.