Finding the Fourth Proportional to 448,564.26, 672,976.26 and 133,028.76
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Solution
The fourth proportional to 448,564.26, 672,976.26 and 133,028.76 is: 199,581.65
Step by Step Solution
- Step 1: Write the proportion equation
448,564.26 : 672,976.26 = 133,028.76 : x - Step 2: Convert to fraction form
448,564.26/672,976.26 = 133,028.76/x - Step 3: Cross multiply
448,564.26x = 672,976.26 × 133,028.76 - Step 4: Simplify right side
448,564.26x = 89,525,197,377.24 - Step 5: Solve for x
x = 89,525,197,377.24/448,564.26 - Step 6: Final answer
x = 199,581.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.