Finding the Fourth Proportional to 143,029.68, 214,566.12 and 53,101.68
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Solution
The fourth proportional to 143,029.68, 214,566.12 and 53,101.68 is: 79,660.54
Step by Step Solution
- Step 1: Write the proportion equation
143,029.68 : 214,566.12 = 53,101.68 : x - Step 2: Convert to fraction form
143,029.68/214,566.12 = 53,101.68/x - Step 3: Cross multiply
143,029.68x = 214,566.12 × 53,101.68 - Step 4: Simplify right side
143,029.68x = 11,393,821,443.08 - Step 5: Solve for x
x = 11,393,821,443.08/143,029.68 - Step 6: Final answer
x = 79,660.54
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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.