Finding the Fourth Proportional to 270,316.40, 373,021.56 and 149,450.63
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Solution
The fourth proportional to 270,316.40, 373,021.56 and 149,450.63 is: 206,233.53
Step by Step Solution
- Step 1: Write the proportion equation
270,316.40 : 373,021.56 = 149,450.63 : x - Step 2: Convert to fraction form
270,316.40/373,021.56 = 149,450.63/x - Step 3: Cross multiply
270,316.40x = 373,021.56 × 149,450.63 - Step 4: Simplify right side
270,316.40x = 55,748,305,280.48 - Step 5: Solve for x
x = 55,748,305,280.48/270,316.40 - Step 6: Final answer
x = 206,233.53
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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.