Finding the Fourth Proportional to 717,186.92, 1,075,529.40 and 211,613.68
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Solution
The fourth proportional to 717,186.92, 1,075,529.40 and 211,613.68 is: 317,346.47
Step by Step Solution
- Step 1: Write the proportion equation
717,186.92 : 1,075,529.40 = 211,613.68 : x - Step 2: Convert to fraction form
717,186.92/1,075,529.40 = 211,613.68/x - Step 3: Cross multiply
717,186.92x = 1,075,529.40 × 211,613.68 - Step 4: Simplify right side
717,186.92x = 227,596,734,282.19 - Step 5: Solve for x
x = 227,596,734,282.19/717,186.92 - Step 6: Final answer
x = 317,346.47
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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.