Finding the Fourth Proportional to 362,203.21, 543,181.78 and 125,490.63
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Solution
The fourth proportional to 362,203.21, 543,181.78 and 125,490.63 is: 188,193.32
Step by Step Solution
- Step 1: Write the proportion equation
362,203.21 : 543,181.78 = 125,490.63 : x - Step 2: Convert to fraction form
362,203.21/543,181.78 = 125,490.63/x - Step 3: Cross multiply
362,203.21x = 543,181.78 × 125,490.63 - Step 4: Simplify right side
362,203.21x = 68,164,223,776.72 - Step 5: Solve for x
x = 68,164,223,776.72/362,203.21 - Step 6: Final answer
x = 188,193.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.