Finding the Fourth Proportional to 449,531.68, 620,300.88 and 248,315.68
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Solution
The fourth proportional to 449,531.68, 620,300.88 and 248,315.68 is: 342,646.45
Step by Step Solution
- Step 1: Write the proportion equation
449,531.68 : 620,300.88 = 248,315.68 : x - Step 2: Convert to fraction form
449,531.68/620,300.88 = 248,315.68/x - Step 3: Cross multiply
449,531.68x = 620,300.88 × 248,315.68 - Step 4: Simplify right side
449,531.68x = 154,030,434,821.80 - Step 5: Solve for x
x = 154,030,434,821.80/449,531.68 - Step 6: Final answer
x = 342,646.45
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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.