Finding the Fourth Proportional to 448,975.73, 619,588.36 and 245,030.97
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Solution
The fourth proportional to 448,975.73, 619,588.36 and 245,030.97 is: 338,143.75
Step by Step Solution
- Step 1: Write the proportion equation
448,975.73 : 619,588.36 = 245,030.97 : x - Step 2: Convert to fraction form
448,975.73/619,588.36 = 245,030.97/x - Step 3: Cross multiply
448,975.73x = 619,588.36 × 245,030.97 - Step 4: Simplify right side
448,975.73x = 151,818,339,481.25 - Step 5: Solve for x
x = 151,818,339,481.25/448,975.73 - Step 6: Final answer
x = 338,143.75
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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.