Finding the Fourth Proportional to 146,118.48, 201,646.44 and 85,735.44
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Solution
The fourth proportional to 146,118.48, 201,646.44 and 85,735.44 is: 118,316.63
Step by Step Solution
- Step 1: Write the proportion equation
146,118.48 : 201,646.44 = 85,735.44 : x - Step 2: Convert to fraction form
146,118.48/201,646.44 = 85,735.44/x - Step 3: Cross multiply
146,118.48x = 201,646.44 × 85,735.44 - Step 4: Simplify right side
146,118.48x = 17,288,246,257.83 - Step 5: Solve for x
x = 17,288,246,257.83/146,118.48 - Step 6: Final answer
x = 118,316.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.