Finding the Fourth Proportional to 328,284.98, 453,406.74 and 220,668.11
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Solution
The fourth proportional to 328,284.98, 453,406.74 and 220,668.11 is: 304,773.03
Step by Step Solution
- Step 1: Write the proportion equation
328,284.98 : 453,406.74 = 220,668.11 : x - Step 2: Convert to fraction form
328,284.98/453,406.74 = 220,668.11/x - Step 3: Cross multiply
328,284.98x = 453,406.74 × 220,668.11 - Step 4: Simplify right side
328,284.98x = 100,052,408,377.06 - Step 5: Solve for x
x = 100,052,408,377.06/328,284.98 - Step 6: Final answer
x = 304,773.03
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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.