Finding the Fourth Proportional to 148,098.24, 204,370.56 and 81,028.80
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Solution
The fourth proportional to 148,098.24, 204,370.56 and 81,028.80 is: 111,817.00
Step by Step Solution
- Step 1: Write the proportion equation
148,098.24 : 204,370.56 = 81,028.80 : x - Step 2: Convert to fraction form
148,098.24/204,370.56 = 81,028.80/x - Step 3: Cross multiply
148,098.24x = 204,370.56 × 81,028.80 - Step 4: Simplify right side
148,098.24x = 16,559,901,232.13 - Step 5: Solve for x
x = 16,559,901,232.13/148,098.24 - Step 6: Final answer
x = 111,817.00
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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.