Finding the Fourth Proportional to 299,019.68, 448,519.68 and 121,474.08
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Solution
The fourth proportional to 299,019.68, 448,519.68 and 121,474.08 is: 182,207.12
Step by Step Solution
- Step 1: Write the proportion equation
299,019.68 : 448,519.68 = 121,474.08 : x - Step 2: Convert to fraction form
299,019.68/448,519.68 = 121,474.08/x - Step 3: Cross multiply
299,019.68x = 448,519.68 × 121,474.08 - Step 4: Simplify right side
299,019.68x = 54,483,515,489.89 - Step 5: Solve for x
x = 54,483,515,489.89/299,019.68 - Step 6: Final answer
x = 182,207.12
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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.