Finding the Fourth Proportional to 281,588.84, 422,384.68 and 71,226.98
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Solution
The fourth proportional to 281,588.84, 422,384.68 and 71,226.98 is: 106,840.82
Step by Step Solution
- Step 1: Write the proportion equation
281,588.84 : 422,384.68 = 71,226.98 : x - Step 2: Convert to fraction form
281,588.84/422,384.68 = 71,226.98/x - Step 3: Cross multiply
281,588.84x = 422,384.68 × 71,226.98 - Step 4: Simplify right side
281,588.84x = 30,085,183,042.74 - Step 5: Solve for x
x = 30,085,183,042.74/281,588.84 - Step 6: Final answer
x = 106,840.82
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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.