Finding the Fourth Proportional to 448,965.06, 619,584.88 and 245,029.08
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Solution
The fourth proportional to 448,965.06, 619,584.88 and 245,029.08 is: 338,147.28
Step by Step Solution
- Step 1: Write the proportion equation
448,965.06 : 619,584.88 = 245,029.08 : x - Step 2: Convert to fraction form
448,965.06/619,584.88 = 245,029.08/x - Step 3: Cross multiply
448,965.06x = 619,584.88 × 245,029.08 - Step 4: Simplify right side
448,965.06x = 151,816,313,128.31 - Step 5: Solve for x
x = 151,816,313,128.31/448,965.06 - Step 6: Final answer
x = 338,147.28
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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.