Finding the Fourth Proportional to 148,028.14, 204,273.76 and 84,386.44
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Solution
The fourth proportional to 148,028.14, 204,273.76 and 84,386.44 is: 116,450.40
Step by Step Solution
- Step 1: Write the proportion equation
148,028.14 : 204,273.76 = 84,386.44 : x - Step 2: Convert to fraction form
148,028.14/204,273.76 = 84,386.44/x - Step 3: Cross multiply
148,028.14x = 204,273.76 × 84,386.44 - Step 4: Simplify right side
148,028.14x = 17,237,935,391.81 - Step 5: Solve for x
x = 17,237,935,391.81/148,028.14 - Step 6: Final answer
x = 116,450.40
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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.