Finding the Fourth Proportional to 545,133.75, 752,291.70 and 300,147.00
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Solution
The fourth proportional to 545,133.75, 752,291.70 and 300,147.00 is: 414,206.78
Step by Step Solution
- Step 1: Write the proportion equation
545,133.75 : 752,291.70 = 300,147.00 : x - Step 2: Convert to fraction form
545,133.75/752,291.70 = 300,147.00/x - Step 3: Cross multiply
545,133.75x = 752,291.70 × 300,147.00 - Step 4: Simplify right side
545,133.75x = 225,798,092,933.26 - Step 5: Solve for x
x = 225,798,092,933.26/545,133.75 - Step 6: Final answer
x = 414,206.78
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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.