Finding the Fourth Proportional to 253,727.16, 350,142.72 and 146,296.26
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Solution
The fourth proportional to 253,727.16, 350,142.72 and 146,296.26 is: 201,888.40
Step by Step Solution
- Step 1: Write the proportion equation
253,727.16 : 350,142.72 = 146,296.26 : x - Step 2: Convert to fraction form
253,727.16/350,142.72 = 146,296.26/x - Step 3: Cross multiply
253,727.16x = 350,142.72 × 146,296.26 - Step 4: Simplify right side
253,727.16x = 51,224,570,402.23 - Step 5: Solve for x
x = 51,224,570,402.23/253,727.16 - Step 6: Final answer
x = 201,888.40
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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.