Finding the Fourth Proportional to 847,421.05, 1,271,133.62 and 207,727.64
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Solution
The fourth proportional to 847,421.05, 1,271,133.62 and 207,727.64 is: 311,591.96
Step by Step Solution
- Step 1: Write the proportion equation
847,421.05 : 1,271,133.62 = 207,727.64 : x - Step 2: Convert to fraction form
847,421.05/1,271,133.62 = 207,727.64/x - Step 3: Cross multiply
847,421.05x = 1,271,133.62 × 207,727.64 - Step 4: Simplify right side
847,421.05x = 264,049,585,968.62 - Step 5: Solve for x
x = 264,049,585,968.62/847,421.05 - Step 6: Final answer
x = 311,591.96
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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.