Finding the Fourth Proportional to 318,595.20, 477,958.14 and 266,369.64
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Solution
The fourth proportional to 318,595.20, 477,958.14 and 266,369.64 is: 399,609.09
Step by Step Solution
- Step 1: Write the proportion equation
318,595.20 : 477,958.14 = 266,369.64 : x - Step 2: Convert to fraction form
318,595.20/477,958.14 = 266,369.64/x - Step 3: Cross multiply
318,595.20x = 477,958.14 × 266,369.64 - Step 4: Simplify right side
318,595.20x = 127,313,537,686.87 - Step 5: Solve for x
x = 127,313,537,686.87/318,595.20 - Step 6: Final answer
x = 399,609.09
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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.