Finding the Fourth Proportional to 301,828.80, 452,743.20 and 297,163.20
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Solution
The fourth proportional to 301,828.80, 452,743.20 and 297,163.20 is: 445,744.80
Step by Step Solution
- Step 1: Write the proportion equation
301,828.80 : 452,743.20 = 297,163.20 : x - Step 2: Convert to fraction form
301,828.80/452,743.20 = 297,163.20/x - Step 3: Cross multiply
301,828.80x = 452,743.20 × 297,163.20 - Step 4: Simplify right side
301,828.80x = 134,538,618,090.24 - Step 5: Solve for x
x = 134,538,618,090.24/301,828.80 - Step 6: Final answer
x = 445,744.80
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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.