Finding the Fourth Proportional to 121,566.68, 182,431.48 and 42,681.14
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Solution
The fourth proportional to 121,566.68, 182,431.48 and 42,681.14 is: 64,050.31
Step by Step Solution
- Step 1: Write the proportion equation
121,566.68 : 182,431.48 = 42,681.14 : x - Step 2: Convert to fraction form
121,566.68/182,431.48 = 42,681.14/x - Step 3: Cross multiply
121,566.68x = 182,431.48 × 42,681.14 - Step 4: Simplify right side
121,566.68x = 7,786,383,538.29 - Step 5: Solve for x
x = 7,786,383,538.29/121,566.68 - Step 6: Final answer
x = 64,050.31
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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.