Finding the Fourth Proportional to 143,224.14, 214,841.61 and 54,461.10
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Solution
The fourth proportional to 143,224.14, 214,841.61 and 54,461.10 is: 81,693.70
Step by Step Solution
- Step 1: Write the proportion equation
143,224.14 : 214,841.61 = 54,461.10 : x - Step 2: Convert to fraction form
143,224.14/214,841.61 = 54,461.10/x - Step 3: Cross multiply
143,224.14x = 214,841.61 × 54,461.10 - Step 4: Simplify right side
143,224.14x = 11,700,510,406.37 - Step 5: Solve for x
x = 11,700,510,406.37/143,224.14 - Step 6: Final answer
x = 81,693.70
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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.