Finding the Fourth Proportional to 299,667.12, 449,161.56 and 121,950.96
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Solution
The fourth proportional to 299,667.12, 449,161.56 and 121,950.96 is: 182,788.43
Step by Step Solution
- Step 1: Write the proportion equation
299,667.12 : 449,161.56 = 121,950.96 : x - Step 2: Convert to fraction form
299,667.12/449,161.56 = 121,950.96/x - Step 3: Cross multiply
299,667.12x = 449,161.56 × 121,950.96 - Step 4: Simplify right side
299,667.12x = 54,775,683,437.10 - Step 5: Solve for x
x = 54,775,683,437.10/299,667.12 - Step 6: Final answer
x = 182,788.43
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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.