Finding the Fourth Proportional to 401,785.20, 602,750.70 and 201,601.80
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Solution
The fourth proportional to 401,785.20, 602,750.70 and 201,601.80 is: 302,439.28
Step by Step Solution
- Step 1: Write the proportion equation
401,785.20 : 602,750.70 = 201,601.80 : x - Step 2: Convert to fraction form
401,785.20/602,750.70 = 201,601.80/x - Step 3: Cross multiply
401,785.20x = 602,750.70 × 201,601.80 - Step 4: Simplify right side
401,785.20x = 121,515,626,071.26 - Step 5: Solve for x
x = 121,515,626,071.26/401,785.20 - Step 6: Final answer
x = 302,439.28
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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.