Finding the Fourth Proportional to 438,768.80, 657,634.80 and 186,048.80
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Solution
The fourth proportional to 438,768.80, 657,634.80 and 186,048.80 is: 278,853.39
Step by Step Solution
- Step 1: Write the proportion equation
438,768.80 : 657,634.80 = 186,048.80 : x - Step 2: Convert to fraction form
438,768.80/657,634.80 = 186,048.80/x - Step 3: Cross multiply
438,768.80x = 657,634.80 × 186,048.80 - Step 4: Simplify right side
438,768.80x = 122,352,165,378.24 - Step 5: Solve for x
x = 122,352,165,378.24/438,768.80 - Step 6: Final answer
x = 278,853.39
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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.