Finding the Fourth Proportional to 303,207.21, 454,808.93 and 78,567.08
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Solution
The fourth proportional to 303,207.21, 454,808.93 and 78,567.08 is: 117,850.12
Step by Step Solution
- Step 1: Write the proportion equation
303,207.21 : 454,808.93 = 78,567.08 : x - Step 2: Convert to fraction form
303,207.21/454,808.93 = 78,567.08/x - Step 3: Cross multiply
303,207.21x = 454,808.93 × 78,567.08 - Step 4: Simplify right side
303,207.21x = 35,733,006,921.14 - Step 5: Solve for x
x = 35,733,006,921.14/303,207.21 - Step 6: Final answer
x = 117,850.12
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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.