Finding the Fourth Proportional to 147,823.64, 203,996.58 and 79,840.62
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Solution
The fourth proportional to 147,823.64, 203,996.58 and 79,840.62 is: 110,180.03
Step by Step Solution
- Step 1: Write the proportion equation
147,823.64 : 203,996.58 = 79,840.62 : x - Step 2: Convert to fraction form
147,823.64/203,996.58 = 79,840.62/x - Step 3: Cross multiply
147,823.64x = 203,996.58 × 79,840.62 - Step 4: Simplify right side
147,823.64x = 16,287,213,425.08 - Step 5: Solve for x
x = 16,287,213,425.08/147,823.64 - Step 6: Final answer
x = 110,180.03
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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.