Finding the Fourth Proportional to 143,006.66, 214,566.41 and 54,283.71
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Solution
The fourth proportional to 143,006.66, 214,566.41 and 54,283.71 is: 81,446.99
Step by Step Solution
- Step 1: Write the proportion equation
143,006.66 : 214,566.41 = 54,283.71 : x - Step 2: Convert to fraction form
143,006.66/214,566.41 = 54,283.71/x - Step 3: Cross multiply
143,006.66x = 214,566.41 × 54,283.71 - Step 4: Simplify right side
143,006.66x = 11,647,460,911.89 - Step 5: Solve for x
x = 11,647,460,911.89/143,006.66 - Step 6: Final answer
x = 81,446.99
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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.