Finding the Fourth Proportional to 74,232.64, 111,149.70 and 62,422.84
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Solution
The fourth proportional to 74,232.64, 111,149.70 and 62,422.84 is: 93,466.70
Step by Step Solution
- Step 1: Write the proportion equation
74,232.64 : 111,149.70 = 62,422.84 : x - Step 2: Convert to fraction form
74,232.64/111,149.70 = 62,422.84/x - Step 3: Cross multiply
74,232.64x = 111,149.70 × 62,422.84 - Step 4: Simplify right side
74,232.64x = 6,938,279,939.15 - Step 5: Solve for x
x = 6,938,279,939.15/74,232.64 - Step 6: Final answer
x = 93,466.70
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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.