Finding the Fourth Proportional to 385,749.44, 578,716.53 and 160,984.84
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Solution
The fourth proportional to 385,749.44, 578,716.53 and 160,984.84 is: 241,515.81
Step by Step Solution
- Step 1: Write the proportion equation
385,749.44 : 578,716.53 = 160,984.84 : x - Step 2: Convert to fraction form
385,749.44/578,716.53 = 160,984.84/x - Step 3: Cross multiply
385,749.44x = 578,716.53 × 160,984.84 - Step 4: Simplify right side
385,749.44x = 93,164,587,987.41 - Step 5: Solve for x
x = 93,164,587,987.41/385,749.44 - Step 6: Final answer
x = 241,515.81
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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.