Finding the Fourth Proportional to 145,851.80, 218,777.70 and 122,523.80
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Solution
The fourth proportional to 145,851.80, 218,777.70 and 122,523.80 is: 183,785.70
Step by Step Solution
- Step 1: Write the proportion equation
145,851.80 : 218,777.70 = 122,523.80 : x - Step 2: Convert to fraction form
145,851.80/218,777.70 = 122,523.80/x - Step 3: Cross multiply
145,851.80x = 218,777.70 × 122,523.80 - Step 4: Simplify right side
145,851.80x = 26,805,475,159.26 - Step 5: Solve for x
x = 26,805,475,159.26/145,851.80 - Step 6: Final answer
x = 183,785.70
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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.