Finding the Fourth Proportional to 449,386.72, 620,157.36 and 248,186.08
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Solution
The fourth proportional to 449,386.72, 620,157.36 and 248,186.08 is: 342,498.83
Step by Step Solution
- Step 1: Write the proportion equation
449,386.72 : 620,157.36 = 248,186.08 : x - Step 2: Convert to fraction form
449,386.72/620,157.36 = 248,186.08/x - Step 3: Cross multiply
449,386.72x = 620,157.36 × 248,186.08 - Step 4: Simplify right side
449,386.72x = 153,914,424,161.55 - Step 5: Solve for x
x = 153,914,424,161.55/449,386.72 - Step 6: Final answer
x = 342,498.83
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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.