Finding the Fourth Proportional to 299,507.68, 448,873.72 and 121,808.28
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Solution
The fourth proportional to 299,507.68, 448,873.72 and 121,808.28 is: 182,554.70
Step by Step Solution
- Step 1: Write the proportion equation
299,507.68 : 448,873.72 = 121,808.28 : x - Step 2: Convert to fraction form
299,507.68/448,873.72 = 121,808.28/x - Step 3: Cross multiply
299,507.68x = 448,873.72 × 121,808.28 - Step 4: Simplify right side
299,507.68x = 54,676,535,770.40 - Step 5: Solve for x
x = 54,676,535,770.40/299,507.68 - Step 6: Final answer
x = 182,554.70
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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.