Finding the Fourth Proportional to 449,436.93, 620,219.28 and 245,487.98
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Solution
The fourth proportional to 449,436.93, 620,219.28 and 245,487.98 is: 338,771.40
Step by Step Solution
- Step 1: Write the proportion equation
449,436.93 : 620,219.28 = 245,487.98 : x - Step 2: Convert to fraction form
449,436.93/620,219.28 = 245,487.98/x - Step 3: Cross multiply
449,436.93x = 620,219.28 × 245,487.98 - Step 4: Simplify right side
449,436.93x = 152,256,378,204.25 - Step 5: Solve for x
x = 152,256,378,204.25/449,436.93 - Step 6: Final answer
x = 338,771.40
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1.5x scale
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.