Finding the Fourth Proportional to 127,270.60, 175,623.18 and 73,559.09
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Solution
The fourth proportional to 127,270.60, 175,623.18 and 73,559.09 is: 101,505.63
Step by Step Solution
- Step 1: Write the proportion equation
127,270.60 : 175,623.18 = 73,559.09 : x - Step 2: Convert to fraction form
127,270.60/175,623.18 = 73,559.09/x - Step 3: Cross multiply
127,270.60x = 175,623.18 × 73,559.09 - Step 4: Simplify right side
127,270.60x = 12,918,681,558.87 - Step 5: Solve for x
x = 12,918,681,558.87/127,270.60 - Step 6: Final answer
x = 101,505.63
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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.