Finding the Fourth Proportional to 143,240.84, 197,676.84 and 79,583.72
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Solution
The fourth proportional to 143,240.84, 197,676.84 and 79,583.72 is: 109,828.02
Step by Step Solution
- Step 1: Write the proportion equation
143,240.84 : 197,676.84 = 79,583.72 : x - Step 2: Convert to fraction form
143,240.84/197,676.84 = 79,583.72/x - Step 3: Cross multiply
143,240.84x = 197,676.84 × 79,583.72 - Step 4: Simplify right side
143,240.84x = 15,731,858,285.04 - Step 5: Solve for x
x = 15,731,858,285.04/143,240.84 - Step 6: Final answer
x = 109,828.02
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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.