Finding the Fourth Proportional to 847,437.68, 1,271,158.61 and 207,744.23
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Solution
The fourth proportional to 847,437.68, 1,271,158.61 and 207,744.23 is: 311,616.85
Step by Step Solution
- Step 1: Write the proportion equation
847,437.68 : 1,271,158.61 = 207,744.23 : x - Step 2: Convert to fraction form
847,437.68/1,271,158.61 = 207,744.23/x - Step 3: Cross multiply
847,437.68x = 1,271,158.61 × 207,744.23 - Step 4: Simplify right side
847,437.68x = 264,075,859,247.81 - Step 5: Solve for x
x = 264,075,859,247.81/847,437.68 - Step 6: Final answer
x = 311,616.85
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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.