Finding the Fourth Proportional to 847,421.30, 1,271,133.99 and 207,727.89
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Solution
The fourth proportional to 847,421.30, 1,271,133.99 and 207,727.89 is: 311,592.34
Step by Step Solution
- Step 1: Write the proportion equation
847,421.30 : 1,271,133.99 = 207,727.89 : x - Step 2: Convert to fraction form
847,421.30/1,271,133.99 = 207,727.89/x - Step 3: Cross multiply
847,421.30x = 1,271,133.99 × 207,727.89 - Step 4: Simplify right side
847,421.30x = 264,049,981,649.98 - Step 5: Solve for x
x = 264,049,981,649.98/847,421.30 - Step 6: Final answer
x = 311,592.34
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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.