Finding the Fourth Proportional to 449,497.74, 620,304.99 and 248,293.74
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Solution
The fourth proportional to 449,497.74, 620,304.99 and 248,293.74 is: 342,644.32
Step by Step Solution
- Step 1: Write the proportion equation
449,497.74 : 620,304.99 = 248,293.74 : x - Step 2: Convert to fraction form
449,497.74/620,304.99 = 248,293.74/x - Step 3: Cross multiply
449,497.74x = 620,304.99 × 248,293.74 - Step 4: Simplify right side
449,497.74x = 154,017,845,907.76 - Step 5: Solve for x
x = 154,017,845,907.76/449,497.74 - Step 6: Final answer
x = 342,644.32
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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.