Finding the Fourth Proportional to 438,119.73, 656,896.98 and 171,907.14
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Solution
The fourth proportional to 438,119.73, 656,896.98 and 171,907.14 is: 257,749.82
Step by Step Solution
- Step 1: Write the proportion equation
438,119.73 : 656,896.98 = 171,907.14 : x - Step 2: Convert to fraction form
438,119.73/656,896.98 = 171,907.14/x - Step 3: Cross multiply
438,119.73x = 656,896.98 × 171,907.14 - Step 4: Simplify right side
438,119.73x = 112,925,281,106.44 - Step 5: Solve for x
x = 112,925,281,106.44/438,119.73 - Step 6: Final answer
x = 257,749.82
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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.